Apartment Building, Residential Sprinklers keep fire from spreading in apartment fire (Crofton, MD) January 13, 2014 viking210 On the afternoon of January 9, a fire was called into the Anne Arundel County Firefighters at a three story apartment building. The fire, which started on the balcony of a second floor unit, had quickly spread into the living room, where a fire sprinkler activated and contained the fire until fire crews arrived. A 20-year old male was in the apartment at the time of the fire, and he remained uninjured from the incident. The fire department was able to extinguish the remaining flames within 20 minutes of arrival, and investigators report that the fire was caused by improperly disposed smoking materials.