NEW : Thirty - two cars from a convoy exploded . Tornadoes touched down in Bellemont , which is near Flagstaff . At least seven people were injured , the National Weather Service 's Flagstaff office said . The windows were blown out of about twenty homes , the report said .
NEW : Thirty - two cars from a convoy exploded . Tornadoes touched down in Bellemont , which is near Flagstaff . The windows were blown out of about twenty homes , the report said .