This afternoon box 31-03 was dispatched for and apartment fire in Kingsbrook. E311 went on the scene side A with nothing showing. E 311 made entry to a second floor apartment and encountered heavy smoke with fire visible in the kitchen area. As E311 made entry and knocked down the fire other units were arriving on the scene. E31 supplied E311 while Rescue Squad 3 made a search of the fire apartment and the apartments on number 3 floor, all searches were negative. Tower 1 took side A position and entered the fire apartment and opened up, checking for extension. Command held the fire to the 1st alarm and placed the safety dispatch in service, 1 occupant was transported BLS to the hospital for check-out. Command requested county FM for follow-up, ventilation was complete, other occupants of the apartment building were able to re-enter their apartments. Command was terminated units were placed in service. Building reps. on scene to fix damage to apartment's.