September 11, 2001 Research & Archives

CNN Senior White House Correspondent John King reports that U.S. officials say the plane that crashed in Pennsylvania could have been headed for one of three possible targets: Camp David, the White House or the U.S. Capitol building.

The 47-story Seven World Trade Center collapses after burning for hours; the building had been evacuated in the morning, and there are no casualties, though the collapse forces rescue workers to flee for their lives. The evacuated building is damaged when the twin towers across the street collapse earlier in the day. Other nearby buildings in the area remain ablaze.

CNN Military Affairs Correspondent Jamie McIntyre reports fires are still burning in part of the Pentagon. No death figures have been released yet.

The president leaves Offutt Air Force Base in Nebraska aboard Air Force One to return to Washington.

The American Stock Exchange, the Nasdaq and the New York Stock Exchange say they will remain closed Wednesday.

U.S. Sen. Bob Graham, D-Florida, chairman of the Senate Intelligence Committee, says he was "not surprised there was an attack (but) was surprised at the specificity." He says he was "shocked at what actually happened -- the extent of it."

Building 7 of the World Trade Center complex is reported on fire.

California Gov. Gray Davis dispatches urban search-and-rescue teams to New York.

CNN National Security Correspondent David Ensor reports that U.S. officials say there are "good indications" that Saudi militant Osama bin Laden, suspected of coordinating the bombings of two U.S. embassies in 1998, is involved in the attacks, based on "new and specific" information developed since the attacks.

Giuliani now says the number of critically injured in New York City is up to 200 with 2,100 total injuries reported.

Karen Hughes, a White House counselor, says the president is at an undisclosed location, later revealed to be Offutt Air Force Base in Nebraska, and is conducting a National Security Council meeting by phone. Vice President Dick Cheney and National Security Adviser Condoleezza Rice are in a secure facility at the White House. Defense Secretary Donald Rumsfeld is at the Pentagon.

At a news conference, Giuliani says that subway and bus service are partially restored in New York City. Asked about the number of people killed, Giuliani says, "I don't think we want to speculate about that -- more than any of us can bear."

The FAA announces there will be no U.S. commercial air traffic until noon EDT Wednesday at the earliest.

Senior FBI sources tell CNN they are working on the assumption that the four airplanes that crashed were hijacked as part of a terrorist attack.

Bush leaves Barksdale Air Force Base aboard Air Force One and flies to an Air Force base in Nebraska.