Firefighters and emergency personnel investigate the scene of a fatal crash involving a United Airlines Boeing 757 with at least 45 passengers Tuesday morning, Sept. 11, 2001 near Shanksville, Pa., Somerset County.(AP Photo/Tribune-Democrat/David Lloyd)
Gallery: The Sept. 11, 2001, terrorist attacks
Sep. 10, 2011 @ 07:19 PM
On Tuesday, Sept. 11, terrorists hijacked airplanes and used them to destroy the Twin Towers in New York City and damage the Pentagon in Washington, D.C. One of the planes crashed in a field in rural Pennsylvania.
Excluding the 19 hijackers, the death toll stands at 2,998 with 24 more presumed dead,