Propane tank explosion in minivan seriously hurts woman in Burke

Woman accidentally blew up the minivan she was driving when she lit a cigarette, unaware that a propane tank was leaking inside the vehicle.This happened in Fairfax County, Virginia, on Thursday.The vehicle's entire roof was blasted off, windows were blown out, and door panels split into pieces. Parts of the car were found 100 feet away.The explosion shook houses and knocked pictures off the walls.Investigators believe that with temperatures in the 30s, the driver likely had the windows rolled u