1.   And when the towers collapse, the camera records a world literally fading to black in an apocalyptic swirl of debris and smoke.

2.   As he headed north, he saw the first tower collapse.

3.   Dahler was not on the air when he felt the first of the two towers collapse.

4.   He saw both towers collapse.

5.   He saw people jumping or falling out of the building, and the first tower collapse.

6.   In horror, we all watched the World Trade Center towers collapse.

7.   In New York, citizens contacted Martin because they were suffering breathing problems and other maladies after the twin towers collapse.

8.   Judge, the New York Fire Department chaplain, was administering last rites to a firefighter trapped by the first tower collapse.

9.   Jaeger had gone down to ground level and was on the street nearby as he watched his office tower collapse.

10.   Many downtown New Yorkers saw the towers collapse from their windows and stoops and fire escapes and low-lying roofs.