Supporters of Pakistani religious party Jamiat Ulema-e-Islam in Quetta, Pakistan, rally to condemn the killing of Osama bin Laden on Monday.
Afghan men hug each other while watching the news of bin Laden's death. Bin Laden was killed in a firefight with U.S. forces at a compound in Abbottabad, Pakistan, early Monday.
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Jeff Ray visits the temporary memorial to United Flight 93 in Shanksville, Pa.
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Men in Karachi, Pakistan, buy newspapers reporting the killing of bin Laden.
U.S. Marine Staff Sgt. Mark Gamache pays respects to victims of the Sept. 11 terrorists attacks, at the Pentagon Memorial in Arlington, Va.
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Bin Laden (center) walks with Afghanis in Jalalabad, Afghanistan, in 1989. The news of his death sent the world into celebration and protest.
Dionne Layne, facing camera, hugs Mary Power at ground zero in New York on Monday as they react to the news.
Crowds gather outside the White House early Monday to celebrate after President Obama announced bin Laden's death.
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Thousands poured into New York's Times Square when they heard the news.
A U.S. Marine watches the news of bin Laden's death at Camp Dwyer in Helmand province, Afghanistan.
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President Obama, speaking from the White House late Sunday night, said U.S. special forces killed bin Laden in a compound north of Islamabad.
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Osama bin Laden, the leader of al-Qaida and the architect of the Sept. 11, 2001, terrorist attacks, has been killed by U.S. forces in what is being described as a surgical strike at a compound in northern Pakistan, ending one of the longest and costliest manhunts in history.
President Obama announced the news late Sunday at the White House, calling the death of bin Laden "the most significant achievement to date" in the war against al-Qaida — a battle that has led the U.S. into protracted and bloody conflicts in both Afghanistan and Iraq.
The news released a decade's worth of emotion as Americans, cheering, waving flags and singing the national anthem, streamed to the site of the World Trade Center in New York City, the gates of the White House and across the nation.
Obama said U.S. intelligence tracked the terrorist leader to a redoubt near the Pakistani town of Abbottabad. His movements were monitored for months until a small team of U.S. operatives moved on the compound early Monday local time.
"After a firefight, they killed Osama bin Laden and took custody of his body," the president said, warning that the U.S. must remain vigilant because al-Qaida will "continue to pursue attacks against us."
American officials told NPR that the 40-minute operation was spearheaded by an elite group of U.S. Navy special forces called SEAL Team 6. The officials, who asked not to be named, said SEAL Team 6 took over the search for bin Laden eight years ago when the Army's elite Delta Force soldiers were deployed to Iraq. CIA operatives were also on the ground to help with the operation.
Bin Laden was shot in the head during the assault, the officials said. NPR confirmed that his remains were buried at sea in accordance with Islamic tradition that calls for a speedy interment of the body. Several other adults also were killed, including a son of bin Laden and a woman who reportedly was used as a human shield.
Bin Laden's Compound In Abbottabad
Osama bin Laden's compound is seen in Abbottabad, Pakistan, on Tuesday, after the U.S. military raid early Monday that ended with the death of the al-Qaida leader.
Pakistani media and local residents gather outside the compound. Revelations that bin Laden had been hiding here, possibly for years, have embarrassed Pakistan's military and intelligence establishment.
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The compound is surrounded by high walls topped with razor wire. Neighbors say it's the biggest house in the area.
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The compound appeared to be well-supplied with electricity, although there was no phone or Internet service in the home.
Sajid Mehmood for NPR
Neighbors say the people in the compound did not engage with locals and were rarely seen.
Sajid Mehmood for NPR
Debris is seen in the cabbage patch beside the compound, possibly from the helicopter that U.S. officials said malfunctioned during the raid on the al-Qaida chief's hideout.
Sajid Mehmood for NPR
The fortified compound where Osama bin Laden was killed is located in an affluent area north of Islamabad, the Pakistani capital.
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A diagram of bin Laden's compound is seen in this graphic distributed by the U.S. government.
Bin Laden was killed by a small team of U.S. Navy special forces during a 40-minute operation at the compound.
A U.S. military helicopter is seen near bin Laden's hideout after experiencing mechanical difficulties. There were no reported U.S. casualties.
Pakistani army soldiers move a destroyed helicopter from bin Laden's compound in Abbottabad.
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The compound, valued around a million dollars, was guarded by two security gates.
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Obama said there were no American casualties in the assault.
Even before the Sept. 11 attacks that killed nearly 3,000 people and became a defining moment in U.S. history, American officials had bin Laden in their sights. But he managed to elude capture, moving to Sudan and later to Afghanistan, where he was sheltered by the Taliban even after the regime was toppled by a U.S. invasion. Bin Laden is thought to have continued a secret nomadic existence, moving in and around the mountainous border region that straddles Afghanistan and Pakistan.
Obama said that almost two years ago, he formally ordered the CIA to make finding bin Laden a top priority. The administration said years of intelligence gathering began to pay off in August, when authorities discovered a heavily fortified compound outside Islamabad that appeared to be custom-built for harboring someone as notorious — and resourceful — as bin Laden.
"It was far from certain, and it took many months to run this thread to ground," Obama said in his address.
"I met repeatedly with my national security team as we developed more information about the possibility that we had located bin Laden hiding within a compound deep inside of Pakistan," he said. "Finally, last week, I determined that we had enough intelligence to take action, and authorized an operation to get Osama bin Laden and bring him to justice."
The order was given Friday morning, U.S. officials said, shortly before the president left to tour tornado-raked areas in Alabama. Officials said the final operation — which was under the direction of CIA head Leon Panetta — was so secret that no foreign officials were informed and only a small circle in Washington was aware.
U.S. officials told NPR that four helicopters swooped in early Monday and killed bin Laden in a raid on the fortress-like compound in Abbottabad. One helicopter was lost in the operation because of a mechanical failure. It was destroyed by the crew members, who were safely taken out in the remaining three choppers.
Abbottabad, which lies north of the capital, Islamabad, is home to three army regiments and the Kakul Military Academy, an army officer training center. The location of bin Laden's compound raises pointed questions of whether Pakistani authorities knew the whereabouts of the world's most-wanted man.
Tracking Down Bin Laden
During a briefing early Monday, senior administration officials offered reporters a detailed account of how the 10-year manhunt for Osama bin Laden came to an end.
2007: U.S. intelligence analysts determine the name of a trusted courier who "might be living with and protecting bin Laden."
2009: The analysts identify "areas in Pakistan where the courier and his brother operated" but are "unable to pinpoint exactly where they lived, due to extensive operational security on their part."
August 2010: The courier is tracked to a large, secure compound in Abbottabad, Pakistan, an affluent community about 35 miles north of Islamabad.
September 2010: CIA assessments determine that "a key al Qaida facilitator appeared to be harboring a high-value target," possibly bin Laden, at the Abbottabad compound.
Mid-February 2011: Administration officials conclude there is a "sound intelligence basis" for thinking that bin Laden is at the compound.
March-April: Options to "bring justice to Osama bin Laden" are discussed at a series of National Security Council meetings at the White House.
April 29: President Obama authorizes a helicopter raid on the compound.
May 1/2: Bin Laden is killed "in a firefight" during a 40-minute, early-morning raid involving "a small team designed to minimize collateral damage." Three other men and one woman are killed and two other women are injured. U.S. officials believe the men were the courier, his brother and bin Laden's adult son. They also say the woman who was killed "was used as a shield by a male combatant." One U.S. helicopter was lost "due to mechanical failure" and destroyed by the assault team before it left the compound aboard another aircraft.
The site was far from the remote mountain caves along the Pakistan-Afghanistan tribal border where most intelligence assessments had put bin Laden in recent years.
An American administration official said the compound was built in 2005 at the end of a narrow dirt road with "extraordinary" security measures. He said it had 12- to 18-foot walls topped with barbed wire, two security gates, and no telephone or Internet service.
A Pakistan intelligence official said the property where bin Laden was staying was 3,000 square feet.
One Pakistani official said the choppers took off from a Pakistani air base, suggesting some cooperation in the raid. Obama said Pakistan had provided some information leading to the raid.
Critics have long accused elements of Pakistan's security establishment of protecting bin Laden, though Islamabad has always denied this. Ties between the U.S. and Pakistan have reached a low point in recent months over the future of Afghanistan, and any hint of possible Pakistani collusion with bin Laden could have major reverberations.
Pakistan's Foreign Ministry said the death of bin Laden shows the resolve of that country and the world to battle terrorism — a resolve that has been frequently questioned by U.S. officials over the past decade.
Pakistan's first official statement about the operation acknowledged that the raid was a U.S. operation but did not elaborate.
Obama telephoned his Pakistani counterpart, Asif Ali Zardari, after the raid, and the two agreed it was a good day for both countries, officials said. Obama also called former President George W. Bush, whose administration was defined by bin Laden's attacks and the fight against al-Qaida, to inform him of the news.
Afghan President Hamid Karzai said the death of bin Laden proves that the fight against terrorists should be focused not on his nation but on Pakistan.
Karzai told an assembly of district government officials Monday that it was "a very important day" and that bin Laden had received his due punishment. The hall erupted into applause.
In New York, there were scenes of spontaneous jubilation. At ground zero, the site where the World Trade Center towers stood until the fateful attacks, bagpipes played "Amazing Grace."
"We've been waiting a long time for this day," Lisa Ramaci, whose husband was a freelance journalist killed in the Iraq war, told the AP. "I think it's a relief for New York tonight just in the sense that we had this 10 years of frustration just building and building, wanting this guy dead, and now he is, and you can see how happy people are."
She was holding a U.S. flag and wearing a T-shirt depicting the twin towers and, in cross hairs, bin Laden. Nearby, a man held up a cardboard sign that read: "Obama 1, Osama 0."
In Times Square, dozens stood together on the clear spring night and broke into applause when a New York Fire Department SUV drove by, flashed its lights and sounded its siren. A man held an American flag, and others sang "The Star-Spangled Banner."
Outside the White House, a crowd began gathering after TV news bulletins that presaged the president's announcement. The throng swelled and within a half-hour had filled the street in front of the White House and begun spilling into Lafayette Park.
A handful of people carried signs fashioned out of pizza boxes. One read: "Osama bin Gotten."
George Washington University student Sam Sherman of New Jersey said he was 11 years old when the Sept. 11 attacks happened. "I remember really vividly," he said, adding that some of his classmates at the time had parents who died in the World Trade Center. "Friends of mine whose parents died because of this evil mastermind."
Michael Sultzman of Washington, D.C., said there was something awkward about celebrating someone's death, even that of bin Laden.
"I felt like it's a really symbolic moment; it's not just about someone's death," Sultzman said. "He made himself a symbol of a lot of the things we're fighting against, so I think seeing him gone makes us feel like we've had a real victory."
As news of the president's announcement began to filter across the country, fans at a New York Mets-Philadelphia Phillies game in Philadelphia broke into chants of "USA! USA!" in the top of the ninth inning at Citizens Bank Park. Fans all over the stadium were checking their phones and sharing the news.
The chant "USA! USA!" echoed in Dearborn, Mich., a heavily Middle Eastern suburb of Detroit, where a small crowd gathered outside City Hall and waved U.S. flags. Across town, some honked their car horns as they drove along the main street where most of the Arab-American restaurants and shops are located.
Gordon Felt, president of an organization for families of people who were on United Flight 93, which crashed into a Pennsylvania field on Sept. 11, called the announcement of bin Laden's death "important news for us, and for the world."
"It cannot ease our pain, or bring back our loved ones," he said in a statement, but it does bring "a measure of comfort."
With reporting from NPR's Julie McCarthy in Islamabad, Dina Temple-Raston in New York and Scott Horsley and Audie Cornish in Washington, D.C. Material from The Associated Press was used in this story.