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9/11: Flight 77 crashes into the Pentagon

1 September 2011 Last updated at 12:47 BST

At 09:37 Eastern Daylight Time on 11 September 2001, American Flight 77, carrying 64 people from Washington to Los Angeles, crashed into the Pentagon.

The US Justice Department released this footage taken from a Pentagon security camera in 2006.

9/11 timeline: The story of the day