A commercial airliner, lower left, approaches the World Trade Center in New York, Tuesday, Sept. 11, 2001, top photo. The South tower of the World Trade Center erupts in flames after the airliner crashed into the building, bottom photo. It was the second plane to crash into the World Trade Center Tuesday as smoke continues to billow from the other tower as a result of the first plane's impact. (Gannett News Service, Fabien Moreau/USA Today)
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,