Whiteford MD – At 2026hrs. Whiteford Volunteers were dispatched for a dwelling fire in the 4400blk. of Prospect Rd. At 2029hrs C-61 E612 called en-route and was advised the caller stated the house was on fire. Also Paramedic 6 reported seeing a large smoke column in area. At 2035hrs. Paramedic 6 arrived and found heavy fire to a 2-12 story balloon constructed dwelling. Units arrived and placed several hand-lines into service and established a water supply from a near-by water source. During the incident both the stairway and roof line collapsed causing crews to go to defensive operations. Multiple mutual-aid companies responded for additional manpower due to the weather and extensive overhaul operations. MD Fire Marshal is investigating the incident. The American Red Cross is assisting the family. Units cleared at 0251hrs. Units C-61P6E612T631E611R651U672A691AirvilleBel AirDelta-CardiffDarlingtonFallstonFawn GroveJarrettsvilleLevelNorrisvilleStewartstown Thanks to Co.5 for standing-by the station.