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Sept. 11, 2001: Attack on America
It was a day whose horrific events would be forever seared into the memories of millions. On Sept. 11, 2001, a group of Islamic extremists hijacked U.S. passenger jets and flew them into the twin towers of New York City's World Trade Center and the Pentagon in Washington, D.C. Ten years later, we present eyewitness accounts and survivors' stories from the day that has become known as 9/11.