Just after 20:30hrs the box alarm was dispatched for the reported apartment fire at 3001 Dove County. While enroute Comm Center advised responding companies of receiving multiple calls and initially advising of children trapped but then updating that all occupants were outside. Upon arrival of Battalion 31 and Truck 21 fire was evident from the first floor rear of a 2-story apartment building with Truck 21 going offensive on tank water through the front door. Upon arrival of Engine 22 a water supply was secured and Ladder 31 assigned to extension while Engine 23 and Ladder 2 were assigned to C Side with Battalion 21. With the rear area fire knocked down, the building laddered and companies opening up fire was found in the void space between Division 1 and 2. With all visible fire then knocked down and primary searches negative the incident was placed under control. Following completion of assignments and assisting the FBCFMO investigator all units returned to service.