On Friday, June 3, 2011 at approximately 3:30pm Coraopolis Communications received multiple calls reporting a house on fire at 618 Locust Street in Coraopolis. The following were dispatched on the initial assignment; Coraopolis (Station 127) and Valley EMS. Coraopolis police officers arrived on the scene within moments, reporting that the house is fully involved and that there are live power lines down on the roadway. Information was received that all occupants had safely evacuated. Upon hearing the report from the police, Chief 127 requested an immediate 2nd alarm assignment. Moon Township (Station 197), Neville Township (Station 205) and Groveton (Robinson Township station 244) were dispatched on the 2nd alarm. Chief 127 arrived on the scene within minutes and assumed Locust command. Chief 127 reported heavy fire and smoke from the alpha side of a 2 ½-story wood frame residential structure, with exposures on the bravo/delta sides. Engine 127-2 hit the hydrant at the intersection of Locust/6th and laid a supply line up to the scene. Engine 205-1 hit the hydrant at 7th/Locust and laid a supply line down to the scene. 197 Truck 1 set up for master stream operations on 7th Avenue. 197 Engine 5 hit the hydrant at 7th/Chess and supplied 197 Truck 1. Crews placed several attack lines in operation and initiated a defensive attack. Truck 127 set up for aerial master stream operations on the alpha side of the structure. Engine 205-1 supplied Truck 127. Defensive operations were maintained for the majority of the incident. Crews had the bulk of the fire darkened in approximately 40 minutes. Command placed the fire under control at 4:25pm. Crews remained on the scene for an extended period of time extinguishing hot spots and overhauling. The Allegheny County Fire Marshal was called to the scene to investigate the cause and origin.