What happend to Building 7?

The FBI has released 27 photographs apparently taken after the attack on the Pentagon on 11 September 2001. The photographs show emergency services battling to control the blaze, as well as recovery teams and investigators searching the rubble.

American Airlines Flight 77, travelling from Virginia to LA, slammed into the building at around 09:37 local time. US authorities said the plane struck between the first and second floors of the Pentagon, killing 184 people.