LOS ANGELES (CBS) — A team of CIA officers and elite Navy Seals have killed Al-Qaeda leader Osama bin Laden just five months before the 10-year anniversary of the 9/11 terrorist attacks.

Bin Laden was killed during an assault in Islamabad, Pakistan.

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“Justice has been done,” President Barack Obama said Sunday night in his address to the nation from the White House.

Crowds immediately gathered to sing “God Bless America” and the national anthem Sunday night in Washington, D.C., and in locations throughout New York City, including Ground Zero.

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There are concerns, however, about possible retaliation from Al Qaeda, which has prompted a travel alert at LAX, as well as airports across the country.

PHOTOS: Americans React To Osama Bin Laden’s Death

(credit: Chris Kleponis/Getty Images)

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