7 shocking photos from 9/11

Pedestrians react to the fire at the World Trade Centre following the crash of a hijacked plane on 11 September 2001.

Source: Reuters

George W. Bush listens as White House Chief of Staff Andrew Card informs him of the second plane striking the World Trade Centre during a reading seminar.

Source: Reuters

People peer out of the burning North Tower of the World Trade Centre on 11 September 2001.

Source: Reuters

A helicopter flies past the World Trade Centre after a commercial plane crashed into it.

Source: Reuters

The towers of the World Trade Centre billow smoke shortly after being struck by hijacked commercial aircraft.

Source: Reuters

Then-President George W. Bush stands alongside retired firefighter Bob Beckwith at the site of the World Trade Centre disaster.

Source: Reuters

Second tower also burned in flames after being hit by another hijacked aeroplane.

Source: Reuters