At 12:38AM, Station 21 was dispatched to assist the Harmony Fire District (Station 22) for a reported structure fire at the Passavant Retirement Center New Haven building. Station 22 was dispatched for an Automatic Fire Alarm and Chief 22 arrived on-scene to find a confirmed fire in a 2nd floor apartment. Tower 21, Ladder 21, Engine 21-3, Fire Police and Chief 21-2 all responded with a total of 16 personnel. Crews assisted Engine 22 with extinguishment and checking for extension. Units were on-scene for 1:30 before returning into service.