Large, 58, of Marlborough and 57-year-old Nancy Pilsch of Leominster died after a gas leak caused their camper to explode in Old Orchard Beach.

OLD ORCHARD BEACH, M.E. — The two Massachusetts women who died from injuries suffered in a camper explosion at Old Orchard Beach in Maine smelled a strange odor and lit a candle prior to the fiery eruption, the Maine State Fire Marshal’s office said Monday.