1.   He was called to the trade center after the towers were attacked.

2.   The paperwork was being processed when the twin towers were attacked, with Mr. Soto washing the windows of the observation deck.

3.   But military sources said they were reluctant to attack the tower itself for fear that it is mined and that the Serbs might blow it up.

4.   Colombian rebels block major highways, kidnap commuters, attack electric tower.

5.   Just as he was about to leave the hotel, Thorpe turned on the television which revealed the first tower had been attacked, Turner said.