United Airlines Flight 93

A fourth hijacked plane crashed at 10:00 80 miles (128 km) southeast of Pittsburgh, near the town of Shanksville, Pennsylvania. Flight 93, a Boeing 757 which took off from Newark, New Jersey, at 08:01 was bound for San Francisco. The crash killed all 38 passengers, two pilots and five flight attendants. Investigators have found the flight's cockpit voice recorder at the scene.

Journey: The hijackers' target could have been Washington - but they may have been overpowered by passengers who had already heard about the World Trade Center crashes. Hijackers told passengers they were going to die and told then to phone their loved ones. One of those who made a call was sales manager Jeremy Glick who talked to his wife, Lyzbeth, for 30 minutes. He told her that he and some others had taken a secret vote and had decided to act.Another passenger Thomas Burnett told his wife: "I know we're all going to die... There's three of us who are going to do something about it."

HijackersIt is believed the hijackers were armed with knives and a box they claimed was a bomb. The FBI named them as Ahmed Alhaznawi, Ahmed Alnami, Ziad Jarrahi and Saeed Alghamdi. Investigators discovered Alghamdi and Alnamihad both previously lived in an appartment in Delray Beach, Fla.