At 1713 hours, Box Alarm 31-51 sent Engines 31, 6, 33 (RIT), 21, 13, Trucks 5, 1, Battalion Chiefs 2, 4 to the 2600 block of Greenmount Avenue for a dwelling fire reported. Fire Communications also received 2 calls for the 2600 block of Boone Street. Truck 5 advised the fire was on Boone Street. Engine 31 arrived as the first due engine and reported heavy fire in the rear of an occupied, 2 story, middle of the group, dwelling. 2 lines were stretched from the front and 1 line stretched from the rear knocking down a kitchen fire at 2616 Boone Street. Air Flex 2 and Engine 4 were special called to the scene. Exterior extension to the A & D exposures in the rear. The fire was placed under control in about 30 minutes.