A can of something went up in a great whoosh of flames that forced him back out of the room and into the place where they mixed the ANFO. He began to push the door closed. All the windows in the space behind him had been destroyed by stray rounds, and the fire, ravenous for oxygen, was sucking a torrent of air through them. The wind got its teeth in the door and slammed it closed. Small round holes began to appear in it, and splinters flickered around the room.