GlobeSt.com was on the scene when the second structure caved in at 10:25, shortly after the first building fell. Survivors of the Trade Center attack are being taken to St. Vincent's hospital and Bellevue for treatment.

Reports also state that a helipad at the Pentagon has been hit by a commercial airliner that eyewitness claim was gaining speed as it approached the building. State Department officials are unofficially confirming reports that Palestinian terrorists are responsible for both attacks.

Government buildings in DC, including the White House and the Pentagon have been evacuated, as has Chicago's Sears Tower, its security and commodities exchanges and many office buildings.