Apartment Building, Residential Single sprinkler extinguishes grease fire (Village of Oak Creek, AZ) June 21, 2013 viking210 Shortly before 7 p.m. Sunday, Sedona Fire District crewswere called … for a reported structure fire in a multi-unit apartmentbuilding. The first fire crews found the fire was extinguished by a single firesprinkler head that activated in the kitchen of a one-bedroom apartment. “The fire damage would also have beensignificantly worse if not for the sprinklers,” according to SFD FireMarshal Gary J. Johnson.