They attended the same lesson Sabretooth..
"The building was fully involved in fire." – Photographer Steve Spak
"I had a clear view down Washington Street of Building Seven, which was on the north edge of the site. All forty-seven stories were on fire. It was wild" - Ground Zero Superintendant Charlie Vitchers
"We walked over by number Seven World Trade Center as it was burning and saw this 40-plus story building with fire on nearly all floors"
–FDNY Lieutenant Robert LaRocca
"Just when you thought it was over, you're walking by this building and you're hearing this building creak and fully involved in flames. It's like, is it coming down next? Sure enough, about a half an hour later it came down" –FDNY Lieutenant James McGlynn
"I walked out and I got to Vesey and West, where I reported to Frank [Cruthers]. He said, we’re moving the command post over this way, that building’s coming down. At this point, the fire was going virtually on every floor, heavy fire and smoke" - FDNY Deputy Chief Nick Visconti
"When the building came down it was completely involved in fire, all forty-seven stories"
–FDNY Assistant Chief Harry Myers
"Then we had to move because the Duane Reade, they said, wasn't safe because building 7 was really roaring and fully involved " –FDNY Chief Medical Officer Kerry Kelly
"The flames were coming out of every window of 7 It was fully engulfed, that whole building. There were pieces of tower two in building Seven and the corners of the building missing and what-not. But just looking up at it from ground level however many stories -- it was 40 some odd -- you could see the flames going straight through from one side of the building to the other, that’s an entire block".–Firefighter Tiernach Cassidy
"7 was fully involved at this time. This was a fully involved building. I said, all right, they're not coming for us for a while. Now you're trapped in this rubble, and you're trying to get a grasp of an idea of what's going on there. I heard on the handy talky that we are now fighting a 40-story building fully involved" - Firefighter Eugene Kelty Jr.
"The whole south side of Seven World Trade had been hit by the collapse of the second Tower, and there was fire on every floor." – Fire Captain Brenda Berkman
"When I got out and onto a clear pile, I see that 7 World Trade Center and the customs house have serious fire. Almost every window of 7 has fire. It is an amazing site" –Captain Jay Jonas, Ladder 6.
"The other building,#7, was fully involved, and he was worried about the next collapse." FDNY Firefighter TJ Mundy
"7 World Trade was burning from the ground to the ceiling fully involved. It was unbelievable."–FDNY Firefighter Steve Modica
"So I attempted to get in through the Barkley Street ramp which is on Barkley (sic) and West Broadway, but I was being held back by the fire department, because 7 World Trade, which is above the ramp, was now fully engulfed" -–PAPD K-9 Sergeant David Lim