1 man found dead after explosion, fire in Clayton County

FOREST PARK, Ga. (AP) Authorities are trying to determine the cause of an explosion and blaze that killed one man in Clayton County. <br /> <br /> Firefighters responding to a 911 call around 9 p.m. Friday found a building burning and collapsed. WSB-TV reports 50 firefighters worked five hours to control the blaze. Officials say the building may have been a mechanic shop. <br /> <br /> One man was found dead at the scene. <br /> <br /> Authorities said several acetylene tanks exploded inside the business. However, it remained unclear Saturday what started the fire. <br /> <br /> Crews spent hours looking through the debris overnight for any additional victims.