At 17:16 PM, Westmorland 911 dispatched Station 20 (Murrysville VFC) to assist Station 78 (Sardis VFC) for a Residential Automatic Fire Alarm for a home on Cooper Lane. Station 20 responded with Truck 20 (2 firefighters), with 2 additional firefighters at Station 20 preparing to man Engine 20. Westmorland 911 also dispatched the following additional stations to assist Station 78: Station 236 (Holiday Park VFD) and Station 183 (Renton VFD). Command 78 in Engine 78 was first on scene and found no smoke or fire at the residence. Command 78 cancelled all additional responding units. Truck 20 returned to service and station.