At ~11:02 AM, Westmorland 911 dispatched Station 20 (Murrysville VFC) to assist Station 9 (Level Green VFC) for a Residential Automatic Fire Alarm. Station 20 responded with Engine 20 (2 firefighters including Lieutenant 20), with 2 additional firefighters preparing to depart Station 20 when cancelled by Chief 9. Engine 20 returned to station.