Fire Departments were dispatched to the 4200 block of Ferne Blvd for the Bldg fire with possible entrapment. P/D arrived first to report heavy fire showing 2nd floor of a 2 story MOR apt over a row of stores. 20-1 was first arriving apparatus and reported the 2nd floor to be fully involved. Crews made a quick aggressive attack. Several 1-3/4 handlines were in svc. Truck co's went to the roof to open up and extinguish the fire in the cockloft. Bulk of the fire was knocked at the 20 minute mark.