About 50 firefighters responded to the 911 call . NEW : Police say body of Keith Everett recovered , one still in building . Chief says despite reports , they are unable to say there was an explosion . Score: 6 OSHA says too early to say what caused the incident .
NEW : Police say body of Keith Everett recovered , one still in building . Chief says despite reports , they are unable to say there was an explosion . Score: 6 OSHA says too early to say what caused the incident .