A burst of automatic weapons fire outside drowned me out. It sounded like someone had opened up a block or two away with a heavy machine gun. The whumf of an exploding grenade split the silence that followed, and we all jumped as a spray of shrapnel pattered against the door behind me. The rebel who held the halogen flashlight had the sense to immediately dim its light to a faint glow. I hoped that the door was firmly shut, and that light hadn’t shone through its cracks and given us away.