At 2014 hours Public Safety Communications transmitted the box alarm for the 7600blk of Muncy Road. Engine 331, and Tower Ladder 33 responded into the first due with 8 volunteers. During the response PSC updated units that they were getting multiple calls and addresses in the area for fire coming from a home. As units pulled into the block Engine 331 laid a supply line and pulled up to find a 1 story semi detached duplex with fire showing from side alpha, as the wagon crew stretched the Kentland Bumper Line to the front door, the Tower got ground ladders in place and began forcing entry into the residence. The engine company officer completed a 360 of the building to find smoke showing from all side. Units from 33 extinguished the fire and began to open up and check for hot spots. Units from 33 remained on scene for approximately 3 hours to assist with investigations and finish overhaul.