People in front of New York's St. Patrick's Cathedral react with horror as they look down Fifth Avenue toward the World Trade Center towers after planes crashed into their upper floors Sept. 11, 2001. Explosions and fires left gaping holes in the 110-story buildings. (AP Photo/Marty Lederhandler)
Gallery: The Sept. 11, 2001, terrorist attacks
Sep. 10, 2011 @ 04:26 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,