US President Barack Obama held a crucial meeting last week in which his advisers debated three options for dealing with top-secret information about a luxury compound in Pakistan where they thought Osama bin Laden might be hiding.
Pakistan's president has denied suspicions that his country's security forces may have sheltered Osama bin Laden.
One of Osama bin Laden's wives shielded him from attacking US Navy SEALs as the world's most-wanted terrorist was gunned down in an airborne assault on the al-Qaida leader's safehouse deep in Pakistan.
A US official says al-Qaida leader Osama bin Laden was far from alone when US forces launched their assault on his compound in Pakistan.
World leaders warned of revenge attacks after Osama bin Laden was killed in a US assault in Pakistan on Monday.
In a remarkable 72 hours of his presidency, Barack Obama carried a momentous secret and gave no hint of it as he consoled tornado victims, delivered a college commencement address and cracked jokes at a black-tie dinner.
The killing of Osama bin Laden will deal a big psychological blow to al-Qaida but may have little practical impact on an increasingly decentralized group that has operated tactically without him for years.
Helicopters descended out of darkness on the most important counterterrorism mission in US history. It was an operation so secret, only a select few US officials knew what was about to happen.
Director of the Central Intelligence Agency Leon Panetta warned Monday that al-Qaida without Osama bin Laden is still dangerous.
Australian Prime Minister Julia Gillard on Tuesday said head of al-Qaida Osama bin Laden " absolutely" had a support network in Pakistan.
When one of Osama bin Laden's most trusted aides picked up the phone last year, he unknowingly led US pursuers to the doorstep of his boss, the world's most wanted terrorist.
New Zealand Prime Minister John Key met national security officials on Tuesday as New Zealand went on heightened alert following the killing of Osama bin Laden in Pakistan.