Apartment Building, Residential Derby, CT – Sprinkler system assists firefighters in containing apartment building fire; No injuries December 27, 2015 viking210 There were no injuries reported after a fire in a laundry room on Fourth Street Wednesday. The fire was reported at about 3:20 p.m. within a three-story apartment building at 16 Fourth St. near the Derby Green. The building’s alarm sounded and about eight people in the building immediately left. The cause and precise origin is under investigation by Derby Fire Marshal Phil Hawks. The fire started in the building’s laundry room in the basement. Damage was limited to that room, said David Lenart, an assistant Derby fire chief. The building’s sprinkler system and the arriving firefighters kept the flames from spreading. The building underwent a complete renovation within the last few years. Shelton firefighters responded to the call as well. As of 3:52 p.m., firefighters were carrying in large fans to vent the smoke from the apartment house.