There was an explosion. We were on the support floor, which is a basement.

While we were there, we heard an explosion. And it was on the radio that we were told that it was the 65th floor collapse.

There were people on the 34th floor, on the 36th floor, 37th floor, and 39th floor. And we're talking about about 30 firemen that were up on those floors. That were on those floors.