The big windows of the tavern began to explode: someone attacking them with a sledgehammer or a rifle butt, venting smoke. Dim flares of orange light shone through in places that weren’t covered by the spray patterns of the sprinkler system. A few minutes later Zula heard the roaring hiss of a fire extinguisher being operated in short bursts and saw those little fires being snuffed out one by one. The bell continued to sound even after the fire had been put out, and it would keep doing so until the system ran out of water or was shut off by operating a valve somewhere.