After following an intelligence trail for four years, the US authorities last week determined that Osama bin Laden was hiding out in a compound around 60 miles from the Pakistani capital Islamabad.

Crowds celebrate the killing of bin Laden

Osama bin Laden's hideout

Last week Barack Obama gave the order to send in a small team of special forces.

Following a 40 minute firefight, bin Laden and a smallnumber of his associates lay dead.

The White House's announcement of the news late on Sunday evening prompted celebrations around the US but also lead to warnings of possible reprisal attacks.

Click through the slides to see how it all unfolded ...