Hotel / Restaurant, Restaurant Restaurant fire extinguished by automatic fire sprinkler system (Las Vegas, NV) June 21, 2012 viking210 The fire spread up the wall and into the attic where it was extinguished by an automatic fire sprinkler system. Fire investigators were on scene and determined the fire started in an area where employees smoke and where mops and cleaning supplies are kept. All employees and customers evacuated the building without injury after the restaurants emergency alarms sounded.