Washington, DC16-year-old seriously injured after he falls from a mountain board being towed by a vehicle driven by another 16-year-old in a school parking lot near Ashburn, VirginiaAccident Date: Sat, 03/22/2014A 16-year-old was seriously injured after falling from a mountain board, similar to a skateboard, while being pulled by a vehicle in Ashburn, Va., Sunday.
