At ~9:22 AM, Westmoreland 911 dispatched Station 20 (Murrysville VFC) for an out of county assist to Monroeville Fire Company #4 for a report of smoke in an apartment at the Cambridge Square Apartments. Station 20 had 9 firefighters (including Chief 20, Assistant Chief 20, Captain 20, Lieutenant 20) respond to the station to crew Truck 20. As Truck 20 was preparing to depart the station, Monroeville Public Safety cancelled Truck 20. Truck 20 remained in service and in station.