On Monday, July 24th @1516hrs Tanker 5 was alerted for the mutual aid to Prince George’s County. Tanker 5 responded to the area of Duvall Rd in PG box 45-01 for the report of a structure fire while en routeE845 arrived on the scene to find a structure on fire and started the working fire dispatch. Tanker5 assisted in the water supply operation before returning to Dunkirk. This is the Third working mutual aid fire for Dunkirk in less than 4 days.