New push for most in US to get at least 1 HIV test

WASHINGTON (AP) — There's a new push to make testing for the AIDS virus as common as cholesterol checks.

Americans ages 15 to 64 should get an HIV test at least once — not just people considered at high risk for the virus, an independent panel that sets screening guidelines proposed Monday.

The draft guidelines from the U.S. Preventive Services Task Force are the latest recommendations that aim to make HIV screening simply a routine part of a check-up, something a doctor can order with as little fuss as a cholesterol test or a mammogram. Since 2006, the Centers for Disease Control and Prevention also has pushed for widespread, routine HIV screening.

Yet not nearly enough people have heeded that call: Of the more than 1.1 million Americans living with HIV, nearly 1 in 5 — almost 240,000 people — don't know it. Not only is their own health at risk without treatment, they could unwittingly be spreading the virus to others.

The updated guidelines will bring this long-simmering issue before doctors and their patients again — emphasizing that public health experts agree on how important it is to test even people who don't think they're at risk, because they could be.

"It allows you to say, 'This is a recommended test that we believe everybody should have. We're not singling you out in any way,'" said task force member Dr. Douglas Owens, of Stanford University and the Veterans Affairs Palo Alto Health Care System.

And if finalized, the task force guidelines could extend the number of people eligible for an HIV screening without a copay in their doctor's office, as part of free preventive care under the Obama administration's health care law. Under the task force's previous guidelines, only people at increased risk for HIV — which includes gay and bisexual men and injecting drug users — were eligible for that no-copay screening.

There are a number of ways to get tested. If you're having blood drawn for other exams, the doctor can merely add HIV to the list, no extra pokes or swabs needed. Today's rapid tests can cost less than $20 and require just rubbing a swab over the gums, with results ready in as little as 20 minutes. Last summer, the government approved a do-it-yourself at-home version that's selling for about $40.

Free testing is available through various community programs around the country, including a CDC pilot program in drugstores in 24 cities and rural sites.

Monday's proposal also recommends:

—Testing people older and younger than 15-64 if they are at increased risk of HIV infection,

—People at very high risk for HIV infection should be tested at least annually.

—It's not clear how often to retest people at somewhat increased risk, but perhaps every three to five years.

—Women should be tested during each pregnancy, something the task force has long recommended.

The draft guidelines are open for public comment through Dec. 17.

Most of the 50,000 new HIV infections in the U.S. every year are among gay and bisexual men, followed by heterosexual black women.

"We are not doing as well in America with HIV testing as we would like," Dr. Jonathan Mermin, CDC's HIV prevention chief, said Monday.

The CDC recommends at least one routine test for everyone ages 13 to 64, starting two years younger than the task force recommended. That small difference aside, CDC data suggests fewer than half of adults under 65 have been tested.

"It can sometimes be awkward to ask your doctor for an HIV test," Mermin said — the reason making it routine during any health care encounter could help.

But even though nearly three-fourths of gay and bisexual men with undiagnosed HIV had visited some sort of health provider in the previous year, 48 percent weren't tested for HIV, a recent CDC survey found. Emergency rooms are considered a good spot to catch the undiagnosed, after their illnesses and injuries have been treated, but Mermin said only about 2 percent of ER patients known to be at increased risk were tested while there.

Mermin calls that "a tragedy. It's a missed opportunity."

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Online:

Task force recommendation: http://www.uspreventiveservicestaskforce.org

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Israeli aircraft hit Hamas bank HQ in Gaza

GAZA CITY, Gaza Strip (AP) — Israeli aircraft have battered the headquarters of the Gaza Strip bank the territory's Hamas rulers set up to sidestep international sanctions.

Tuesday's strike on the Islamic National Bank in Gaza City is part of a widening Israeli onslaught against the militants and their rocket squads targeting Israel. The offensive is now in its seventh day.

The inside of the bank was destroyed, and a building supply business in the basement was damaged.

The bank's 31-year-old owner, Suleiman Tawil, denounced the strike, saying he is not "involved in politics."

Hamas set up the bank after foreign lenders, afraid of running afoul of international terror financing laws, stopped doing business with the militant-led Gaza government.

The U.S., Israel and others in the West consider Hamas a terror group.

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Obama: Myanmar visit about sustaining momentum

YANGON, Myanmar (AP) — In a historic trip to a long shunned land, President Barack Obama on Monday showered praise and promises of more U.S. help to Myanmar if the Asian nation keeps building its new democracy. "Our goal is to sustain the momentum," he declared with pride as the first U.S. president to visit here.

Tens of thousands of people lined the streets as Obama packed in diplomacy and soaked in his steamy surroundings. He shared words and an affectionate hug with the Aung San Suu Kyi, the democracy activist who endured years of house arrest to gain freedom and become a lawmaker.

"We are confident that this support will continue through the difficult years that lie ahead," she said of the help from America, Obama at her side. "The most difficult time in any transition is when you think that success is in sight. We have to be very careful that we're not lured by a mirage of success."

Obama told her that if the nation's leaders keep making true reforms, "we will do everything we can to ensure success."

The president was then on his way to give a televised speech at the University of Yangon, in which he would deliver the same message. Obama planned to tell his audience that the United States is ready to "extend the hand of friendship" now that Myanmar has unclenched its fist of iron rule.

"Instead of being repressed, the right of people to assemble together must now be fully respected," the president said in speech excerpts released by the White House. "Instead of being stifled, the veil of media censorship must continue to be lifted. As you take these steps, you can draw on your progress."

Long isolated because of a repressive military rule, Myanmar began a transition to democracy began last year.

After meeting with President Thein Sein, who has orchestrated much of his country's transition to democracy, Obama said the reforms "in Myanmar" could unleash "the incredible potential of this beautiful country."

Obama's language alone was significant. The United States still officially refers to the country as Burma, after the former ruling junta summarily changed the name years ago to Myanmar. But U.S. officials — and now Obama — have been less rigid about using the old name as relations change.

Obama met with Suu Kyi in the very home where she spent years under house arrest, a gated compound with a lawn ringed by roses.

On an overcast and steamy day, Obama touched down Monday morning. The city basically stopped for his visit, with many people waving American flags and taking photos with their smartphones.

Obama's visit to Myanmar was to last just six hours, but it carries significant symbolism, reflecting a remarkable turnaround in the countries' relationship.

Obama has rewarded Myanmar's rapid adoption of democratic reforms by lifting some economic penalties. The president has appointed a permanent ambassador to the country, and pledged greater investment if Myanmar continues to progress following a half-century of military rule.

Some human rights groups say Myanmar's government, which continues to hold hundreds of political prisoners and is struggling to contain ethnic violence, hasn't done enough to earn a personal visit from Obama. The president says his visit is not an endorsement of the government in Myanmar, but an acknowledgment that dramatic progress is underway.

Obama came down the steps of Air Force One next to Secretary of State Hillary Rodham Clinton, in recognition of their final foreign trip together. Clinton is leaving the job soon.

The president's stop came between visits to Thailand and Cambodia. His Asia tour also marks his formal return to the world stage after months mired in a bruising re-election campaign. For his first postelection trip, he tellingly settled on Asia, a region he has deemed the region as crucial to U.S. prosperity and security.

Aides say Asia will factor heavily in Obama's second term as the U.S. seeks to expand its influence in an attempt to counter China.

China's rise is also at play in Myanmar, which long has aligned itself with Beijing. But some in Myanmar fear that China is taking advantage of its wealth of natural resources, so the country is looking for other partners to help build its nascent economy.

Even as Obama turned his sights on Asia, widening violence in the Middle East competed for his attention.

Obama told reporters Sunday that Israel had the right to defend itself against missile attacks from Gaza. But he urged Israel not to launch a ground assault in Gaza, saying it would put Israeli soldiers, as well as Palestinian citizens, at greater risk and hamper an already vexing peace process.

As for Myanmar, as he seeks to assuage critics, Obama has trumpeted Suu Kyi's support of his outreach efforts, saying Sunday that she was "very encouraging" of his trip.

The White House says Obama will express his concern for the ongoing ethnic tensions in Myanmar's western Rakhine state, where more than 110,000 people — the vast majority of them Muslims known as Rohingya — have been displaced.

The U.N. has called the Rohingya — who are widely reviled by the Buddhist majority in Myanmar — among the world's most persecuted people.

The president will deliver his speech at a university that was the center of the country's struggle for independence against Britain and the launching point for many pro-democracy protests. The former military junta shut the dormitories in the 1990s fearing further unrest and forced most students to attend classes on satellite campuses on the outskirts of town.

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Associated Press writer Jim Kuhnhenn contributed to this report.

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'Lincoln' director Spielberg speaks in Gettysburg

GETTYSBURG, Pa. (AP) — Director Steven Spielberg will make the keynote remarks at the 149th commemoration of "The Gettysburg Address," while his new movie about President Abraham Lincoln is in theaters.

Spielberg's speech on Monday at Soldier's National Cemetery in Gettysburg will be accompanied by a recitation of the famous speech by a Lincoln re-enactor.

Sixteen citizenship candidates from 11 countries are scheduled to take the oath of allegiance.

The event at Gettysburg National Military Park is expected to take about an hour, and is free. Previous speakers include presidents Harry Truman and Dwight Eisenhower, and Pennsylvania Gov. Tom Ridge.

Gettysburg is where the U.S. military was able to stop an invasion of the North by Confederate troops under Gen. Robert E. Lee. The 150th anniversary of that battle will occur next July.

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EU drug regulator OKs Novartis' meningitis B shot

LONDON (AP) — Europe's top drug regulator has recommended approval for the first vaccine against meningitis B, made by Novartis AG.

There are five types of bacterial meningitis. While vaccines exist to protect against the other four, none has previously been licensed for type B meningitis. In Europe, type B is the most common, causing 3,000 to 5,000 cases every year.

Meningitis mainly affects infants and children. It kills about 8 percent of patients and leaves others with lifelong consequences such as brain damage.

In a statement on Friday, Andrin Oswald of Novartis said he is "proud of the major advance" the company has made in developing its vaccine Bexsero. It is aimed at children over two months of age, and Novartis is hoping countries will include the shot among the routine ones for childhood diseases such as measles.

Novartis said the immunization has had side effects such as fever and redness at the injection site.

Recommendations from the European Medicines Agency are usually adopted by the European Commission. Novartis also is seeking to test the vaccine in the U.S.

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Israeli air strike kills 11 civilians in Gaza

GAZA/JERUSALEM (Reuters) - An Israeli missile killed at least 11 Palestinian civilians including four children in Gaza on Sunday, medical officials said, apparently an attack on a top militant that brought a three-storey home crashing down.

International pressure for a ceasefire seemed certain to mount in response to the deadliest single incident in five days of Palestinian rocket attacks on Israel and Israeli air strikes on the Gaza Strip.

Egypt has taken the lead in trying to broker a ceasefire and Israeli media said a delegation from Israel had been to Cairo for talks on ending the fighting, although a government spokesman declined to comment on the matter.

Egyptian President Mohamed Mursi met Hamas political leader Khaled Meshaal and Islamic Jihad's head Ramadan Shallah as part of the mediation efforts, but a presidency statement did not say if they were conclusive.

Izzat Risheq, a close aide to Meshaal, wrote in a Facebook message that Hamas would agree to a ceasefire only after Israel "stops its aggression, ends its policy of targeted assassinations and lifts the blockade of Gaza".

Listing Israel's terms for ceasing fire, Moshe Yaalon, a deputy to the prime minister, wrote on Twitter: "If there is quiet in the south and no rockets and missiles are fired at Israel's citizens, nor terrorist attacks engineered from the Gaza Strip, we will not attack."

Gaza health officials said 72 Palestinians , 21 of them children and several women have been killed in Gaza since Israel's offensive began. Hundreds have been wounded.

Israel gave off signs of a possible ground invasion of the Hamas-run enclave as the next stage in its offensive, billed as a bid to stop Palestinian rocket fire into the Jewish state. It also spelt out its conditions for a truce.

U.S. President Barack Obama said that while Israel had a right to defend itself against the salvoes, it would be "preferable" to avoid a military thrust into the Gaza Strip, a narrow, densely populated coastal territory. Such an assault would risk high casualties and an international outcry.

A spokesman for the Hamas-run Interior Ministry said 11 people, all of them civilians, were killed when an Israeli missile flattened the home of the Dalu family. Medics said four women and four children were among the dead.

Israel's chief military spokesman said Yihia Abayah, a senior commander of rocket operations in the Gaza Strip, had been the target.

The spokesman, Yoav Mordechai, told Israel's Channel 2 television he did not know whether Abayah was killed, "but the outcome was that there were civilian casualties". He made no direct mention of the destroyed dwelling.

Prime Minister Benjamin Netanyahu said earlier that he had assured world leaders that Israel was doing its utmost to avoid causing civilian casualties in the military showdown with Hamas.

"The massacre of the Dalu family will not pass without punishment," Hamas's armed wing said in a statement.

VIOLENCE

In other air raids on Sunday, two Gaza City media buildings were hit, witnesses said. Eight journalists were wounded and facilities belonging to Hamas's Al-Aqsa TV as well as Britain's Sky News were damaged.

An employee of the Beirut-based al Quds television station lost his leg in the attack, local medics said.

The Israeli military said the strike targeted a rooftop "transmission antenna used by Hamas to carry out terror activity", and that journalists in the building had effectively been used as human shields by Gaza's rulers.

For their part, Gaza militants launched dozens of rockets into Israel and targeted its commercial capital, Tel Aviv, for a fourth day, once in the morning and another after dark.

Israel's "Iron Dome" missile shield shot down all three rockets, but falling debris from the daytime interception hit a car, which caught fire. Its driver was not hurt.

In scenes recalling Israel's 2008-2009 winter invasion of Gaza, tanks, artillery and infantry massed in field encampments along the sandy, fenced-off border. Military convoys moved on roads in the area newly closed to civilian traffic.

Netanyahu said Israel was ready to widen its offensive.

"We are exacting a heavy price from Hamas and the terrorist organisations and the Israel Defence Forces are prepared for a significant expansion of the operation," he said at a cabinet meeting, giving no further details.

The Israeli military said 544 rockets fired from Gaza have hit Israel since Wednesday, killing three civilians and wounding dozens. Some 302 were intercepted and 99 failed to reach Israel and landed inside the Gaza Strip, it added.

Israel's declared goal is to deplete Gaza arsenals and force the Islamist Hamas to stop rocket fire that has bedevilled Israeli border towns for years and is now displaying greater range, putting Tel Aviv and Jerusalem in the crosshairs.

Israel withdrew settlers from Gaza in 2005 and two years later Hamas took control of the impoverished enclave, which the Israelis have kept under blockade.

OBAMA CAUTIONS AGAINST GROUND CAMPAIGN

At a news conference during a visit to the Thai capital Bangkok, Obama said Israel has "every right to expect that it does not have missiles fired into its territory".

He added: "If this can be accomplished without a ramping up of military activity in Gaza that is preferable. That's not just preferable for the people of Gaza, it's also preferable for Israelis because if Israeli troops are in Gaza they're much more at risk of incurring fatalities or being wounded," he said.

Obama said he had been in regular contact with Egyptian and Turkish leaders - to secure their mediation in bringing about a halt to rocket barrages by Hamas and other Islamist militants.

"We're going to have to see what kind of progress we can make in the next 24, 36, 48 hours," he added.

Diplomatic efforts continued on Sunday when French Foreign Minister Laurent Fabius met Israeli officials and Palestinian President Mahmoud Abbas in the West Bank.

"It is absolutely necessary that we move urgently towards a ceasefire, and that's where France can be useful," Fabius told French television, adding that war must be avoided.

U.N. Secretary-General Ban Ki-moon will be in Egypt on Monday for talks with Mursi, the foreign ministry in Cairo said. U.N. diplomats earlier said Ban was expected in Israel and Egypt this week to push for an end to the fighting.

Israel's operation has so far drawn Western support for what U.S. and European leaders have called its right to self-defence, but there was also a growing number of appeals from them to seek an end to the hostilities.

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Obama speech in Yangon touches opposition history

YANGON, Myanmar (AP) — The soldiers began to shoot students at Rangoon University at 6:30pm. Hla Shwe watched, cowering in a nearby building, as his friends died. "I heard the shouting," he recalled. "They shot whoever they saw."

It was July 7, 1962, the day rage at the military's recent coup boiled over and a date now seared into the memory of Hla Shwe, who is 75 years old.

"I got the idea that if they used the gun against students, why shouldn't we use guns to fight them?" he said.

When President Barack Obama speaks at Hla Shwe's alma mater Monday, he will be treading on ground heavy with political and historical significance.

Since colonial times, the fight for change in Myanmar has begun on this leafy campus. It was a center of the struggle for independence against Britain and served as a launching point for pro-democracy protests in 1962, 1974, 1988 and 1996. Myanmar's former military junta shut the dormitories in the 1990s fearing further unrest and forced most students to attend classes on satellite campuses on the outskirts of town.

Today, few students walk the broken pathways of what was once one of Asia's finest universities. Birdsong fills the halls of cracked buildings. For many, the school — which was renamed University of Yangon in 1989 — has today become a symbol of the country's ruined education system and a monument to a half century of misrule.

"Obama knows very well about the history of Yangon University, I think. This is an enemy place for the authorities," said Hla Shwe, who fought with Communist insurgents and spent 25 years as a political prisoner. "The American government is trying to show in a delicate way that they are not only working for the government but will also take care of the Burmese people."

A movement has been building within Myanmar to reclaim the university's history and restore it to its former glory. Opposition leader Aung San Suu Kyi has repeatedly stressed the importance of upgrading the country's feeble school system and has been fighting in Parliament to repair the campus as part of sweeping educational reforms. U Myint, an adviser to Myanmar's reformist president, Thein Sein, in May wrote an open letter urging the government to fill the campus's empty classrooms with students, reopen the dormitories and reconstruct the Student Union building, which the junta blew up the day after Hla Shwe watched his friends get shot.

"For those who have reservations about our students and young people forming associations like other members of our society, the question we need to ask ourselves is: when we are striving so hard for reconciliation on many fronts, even with foreigners who have not been particularly kind to us, then why not also with our own young people?" wrote U Myint.

The government ramped up education spending in the last budget but critics say it hasn't moved boldly enough to catch up after years of neglect.

"If there is one area where America can help most it is in education," said Thant Myint-U, another presidential adviser and a historian, who is the grandson of the late U.N. Secretary General U Thant. "Myanmar's university system has been decimated after fifty years of army rule. American universities are still second to none. There's no better way for the U.S. to project its soft power than through a real partnership to educate Myanmar's brightest students."

Some repair work on campus began about six months ago, but it is nothing compared with the frenzy of preparations for Obama's arrival.

Inside the school's Convocation Hall, where Obama will deliver his speech, is a riot of staple guns, buzz saws, sandpaper, hammers, spackle, drills, brooms, and fresh paint. But the facade of the building remains cracked with a black crust. Local superstition holds that scrubbing the building clean would unbalance the resigned calm that has settled on the campus and spark another round of unrest.

The curbs, lampposts and buildings that line the main road to the hall have been covered with fresh paint, but elsewhere the campus is a picture of moldering neglect. Broken desks lie stacked in the rain and shunted into unused cobwebby rooms. Teachers in bright blue sarongs walk past buildings sprouting weeds. Stray dogs nap in dilapidated corridors.

"This is a prominent place which taught students to love the truth and to fight for it," said Zaw Zaw Min, who participated in the 1988 student demonstrations and, like his father and his son, served time as a political prisoner. He said before the recent renovations, the state of the campus made him deeply sad. "It was like a damaged city," he said.

There is a real hunger for learning among many young people in Myanmar.

Aung Kaung Myat, 19, studies English at Yangon's University of Foreign Languages. "Everything is messed up," he said. "I don't want to blame my teachers. They are just the things in the system."

Literature class involves reading out loud and poetry is mostly memorization, he said. For books in English, he heads to the well-stocked library of the American Center, a cultural outpost of the U.S. Embassy in Yangon. He got so frustrated at the poor syllabus and teachers who seemed to know little about their subjects that he wrote an angry letter to the Ministry of Education, which he convinced a bunch of his friends to sign. His professor found out before he could send it, called his parents and threatened to expel him, he said.

Still, he'd like to pursue a master's degree at the University of Yangon.

"Maybe it's better than the Yangon University of Foreign Languages," he said.

July San, 23, is pursuing a master's in computer science at the University of Yangon. She said there are only 5 students in her class.

"We want more students. More and more and more! And we don't want to see this long grass anymore," she said, gesturing at the weeds behind her.

"We should thank Obama," she added. At least he managed to get the Convocation Hall spruced up in time for her graduation.

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Associated Press writer Todd Pitman contributed to this report.

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Lady Gaga tweets some racy images before concert

BUENOS AIRES, Argentina (AP) — Lady Gaga's tweets were getting a lot of attention ahead of her Buenos Aires concert Friday night.

The Grammy-winning entertainer has more than 30 million followers on Twitter and that's where she shared a link this week to a short video showing her doing a striptease and fooling around in a bathtub with two other women.

She told her followers that it's a "surprise for you, almost ready for you to TASTE."

Then, in between concerts in Brazil and Argentina, she posted a picture Thursday on her Twitter page showing her wallowing in her underwear and impossibly high heels on top of the remains of what appears to be a strawberry shortcake.

"The real CAKE isn't HAVING what you want, it's DOING what you want," she tweeted.

Lady Gaga wore decidedly unglamorous baggy jeans and a blouse outside her Buenos Aires hotel Thursday as three burly bodyguards kept her fans at bay. Another pre-concert media event where she was supposed to be given "guest of honor" status by the city government Friday afternoon was cancelled.

After Argentina, she is scheduled to perform in Santiago, Chile; Lima, Peru; and Asuncion, Paraguay, before taking her "Born This Way Ball" tour to Africa, Europe and North America.

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EU drug regulator OKs Novartis' meningitis B shot

LONDON (AP) — Europe's top drug regulator has recommended approval for the first vaccine against meningitis B, made by Novartis AG.

There are five types of bacterial meningitis. While vaccines exist to protect against the other four, none has previously been licensed for type B meningitis. In Europe, type B is the most common, causing 3,000 to 5,000 cases every year.

Meningitis mainly affects infants and children. It kills about 8 percent of patients and leaves others with lifelong consequences such as brain damage.

In a statement on Friday, Andrin Oswald of Novartis said he is "proud of the major advance" the company has made in developing its vaccine Bexsero. It is aimed at children over two months of age, and Novartis is hoping countries will include the shot among the routine ones for childhood diseases such as measles.

Novartis said the immunization has had side effects such as fever and redness at the injection site.

Recommendations from the European Medicines Agency are usually adopted by the European Commission. Novartis also is seeking to test the vaccine in the U.S.

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Body found near burned Gulf oil rig

NEW ORLEANS (AP) -- Divers hired by the owner of an oil platform in the Gulf of Mexico that caught fire recovered a body in the waters near the site Saturday evening, according to the U.S. Coast Guard and the rig's owner.

Coast Guard spokesman Carlos Vega said late Saturday that the remains of the unidentified person were found by divers hired by Houston-based Black Elk Energy, who were inspecting the platform. Vega said the Coast Guard would be turning over the remains to local authorities.

John Hoffman, the president and CEO of Black Elk Energy, wrote in an email late Saturday that the body is apparently that of one of two crew members missing since an explosion and fire on the oil platform Friday morning. Hoffman said the body was found by a contract dive vessel at 5:25 p.m. CST.

"Divers will continue to search for the second missing worker," Hoffman wrote. "Our thoughts and prayers are with the families."

Hoffman said the body was found close to the leg of the platform, near where the explosion occurred, in about 30 feet of water. He said the missing men were employees of oilfield contractor Grand Isle Shipyard.

"We have notified next of kin of all individuals involved, but in respect for their families and their privacy, we will not be releasing their names," GIS CEO Mark Pregeant said in a statement, according to WWL-TV in New Orleans.

The news came shortly after the Coast Guard suspended a 32-hour-long search for the two missing workers that covered 1,400 square miles (3626 sq. kilometers) near the oil platform, located about 20 miles (40 kilometers) southeast of Grand Isle, La.

"We have saturated the search area several times — the 1400-square-foot area," Vega said. "We saw no signs of life. We have suspended the search... pending further development. If we receive any credible information that there are signs of life, we can resume the search at any time."

Four other workers who were severely burned remained at Baton Rouge General Medical Center on Saturday night.

Coast Guard Chief Petty Officer Bobby Nash said the Guard's search was ended early Saturday evening. Helicopters and a fixed-wing aircraft had been searching by air, while cutters and boat crews searched the sea.

The blaze erupted Friday morning while workers were using a torch to cut an oil line on the platform, authorities said.

Pregeant stressed in his statement that the cause of the fire and explosion is unknown, and said "initial reports that a welding torch was being used at the time of the incident or that an incorrect line was cut are completely inaccurate."

Four workers were severely burned, though Black Elk Energy spokeswoman Leslie Hoffman said their burns were not as extensive as initially feared.

Officials at Baton Rouge General Medical Center said Saturday that two men remained in critical condition, while two men remained in serious condition. The four, being treated in a burn unit, are also employees of Grand Isle Shipyard and are from the Philippines. The hospital said it and Grand Isle Shipyard are trying to reach the men's families in the Philippines.

Grand Isle Shipyard employed 14 of the 22 workers on the platform at the time of the explosion, WWL-TV reported. A man who answered the phone at the company's Galliano, La., office on Saturday said no one was available to comment.

Separate from the accident, Grand Isle Shipyard is facing a lawsuit by a group of former workers from the Philippines who claim they were confined to cramped living quarters and forced to work long hours for substandard pay. The lawsuit was filed in late 2011 in a Louisiana federal court and is pending. Lawyers for the company have said the workers' claims are false and should be dismissed.

Meanwhile, officials said no oil was leaking from the charred platform, a relief for Gulf Coast residents still weary two years after the BP oil spill illustrated the risk that offshore drilling poses to the region's ecosystem and economy.

Friday's fire sent an ominous black plume of smoke into the air reminiscent of the deadly 2010 Deepwater Horizon explosion that transformed the oil industry and life along the U.S. Gulf Coast

James A. Watson, the director of Louisiana's Bureau of Safety and Environmental Enforcement, said in a statement Saturday that his agency had begun "an investigation into the explosion and fire aboard a Black Elk Energy production platform offshore Louisiana."

"BSEE is committed to determining the direct and indirect causes of the explosion and will take appropriate enforcement action," he said.

The Deepwater Horizon blaze killed 11 workers and led to an oil spill that took months to bring under control. Friday's fire came a day after BP PLC agreed to plead guilty to a raft of charges in the 2010 spill and pay a record $4.5 billion in penalties.

There were a few important differences between this latest blaze and the one that touched off the worst offshore spill in U.S. history: Friday's fire was put out within hours, while the Deepwater Horizon burned for more than a day, collapsed and sank.

The Black Elk Energy facility is a production platform in shallow water, rather than an exploratory drilling rig like the Deepwater Horizon looking for new oil on the seafloor almost a mile (1.6 kilometers) deep.

The depth of the 2010 well blow-out proved to be a major challenge in bringing the disaster under control.

The Black Elk Energy platform is in 56 feet (17 meters) of water — a depth much easier for engineers to manage if a spill had happened.

A sheen of oil about a half-mile (800 meters) long and 200 yards (180 meters) wide was reported on the Gulf surface, but officials believe it came from residual oil on the platform.

"It's not going to be an uncontrolled discharge from everything we're getting right now," Coast Guard Capt. Ed Cubanski said.

Hoffman, the Black Elk Energy spokeswoman, said Saturday that there were still no signs of any leak or spill at the platform site.

BP's blown-out well spewed millions of gallons (liters) of oil into the sea, about 50 miles (80 kilometers) southeast of the mouth of the Mississippi River on the east side of the river delta. The crude fouled beaches, marshes and rich seafood grounds.

After Friday's blaze, 11 people were taken by helicopter to area hospitals or for treatment on shore by emergency medical workers.

The production platform is on the western side of the Mississippi River delta.

"This platform was not in operation and had been shut in since mid-August," Black Elk officials said in a news release Saturday.

Cubanski said the platform appeared to be structurally sound. He said only about 28 gallons (106 liters) of oil were in the broken line on the platform.

David Smith, a spokesman for the Interior Department's Bureau of Safety and Environmental Enforcement in Washington, said an environmental enforcement team was dispatched from a Gulf Coast base by helicopter soon after the Coast Guard was notified of the emergency. Smith said the team would scan for any evidence of oil spilling and investigate the cause of the explosion.

Black Elk Energy is an independent oil and gas company. The company's website says it holds interests in properties in Texas and Louisiana waters, including 854 wells on 155 platforms.

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Associated Press writers Kevin McGill in New Orleans and Jeff Amy in Jackson, Miss., and Norman Gomlak and Greg Schreier in Atlanta contributed to this story.

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