On July 28th @approximatley 04:23hrs the PMFD was dispatched to Jones BLVD for the reported working RV fire. Multiple calls were received and initial reports by responding units advised of a working fire. Engine 27-12 arrived first due and stretched a line to the rear of the property to begin extinguishment. Rescue-Engine 27-13 responded with additional personal and assisted the crew from 27-12. The fire is currently under investigation by the Palmer Township Police Department.