Shortly after 5am, Rescue/RIT 56 was alerted to respond to 107 Main Street in Darby Borough for a working house fire. Rescue/RIT 56 quickly went responding with a crew of 4. Arriving on location with RIT8 (Prospect Park), Deputy 8 (Kelly) performed a 360 of the Building. Captain 4 (Watts) requested RIT56 standby in the rear of the building. Crews remained on scene for approximately 2 hours until the fire was placed under control.