NO ONE WAS INJURED IN AN EXPLOSION AT A JOHNSON CITY BUSINESS. THE INCIDENT OCCURRED YESTERDAY AFTERNOON AT JOHNSON CITY IRON AND METAL. PLANT WORKERS WERE TEARING UP A CAR FOR SCRAP METAL WHEN LEFTOVER FUEL IN A GAS TANK EXPLODED. THE DETONATION SPARKED A FIRE THAT SPREAD THROUGH VENTS IN THE FACILITY. IT TOOK FIRE CREWS SEVERAL HOURS TO PUT OUT THE FLAMES.