1.   Reports released on Thursday said that the airport tower was evacuated minutes before the incident because a window was leaking water from the rain.

2.   The difficulty of evacuating the towers is a matter of dispute.

3.   The Hancock and Prudential towers were evacuated within minutes of the second plane crashing into the New York towers.

4.   The Fire Department still does not know why more of its personnel did not evacuate the towers.

5.   The long list of the still missing includes firefighters and rescue workers who were attempting to evacuate the towers when they collapsed.

6.   Towers were evacuated, the stage was cleared and a steady stream of stretchers hauled blood-spattered teen-agers to the medical tent.

7.   The bank tower was evacuated early Thursday.