NASHVILLE, Tenn. (AP) -- Another victim of the McEwen ammunition plant explosion has been released from the hospital and the final hospitalized victim is improving.
Officials with Vanderbilt University Medical Center on Friday confirmed that Sheila Edwards had been released and Joey Clark had been upgraded to stable condition.
A third worker, Rodney Edwards, was killed in the Wednesday blast at the Rio Ammunition plant about 55 miles west of Nashville. Another worker was treated and released.
A special investigative team of the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives began searching for the cause of the explosion on Friday morning.
A news release from parent company Maxam said Rio Ammunition produces shotgun cartridges, and the blast occurred during the company's cartridge loading operations.
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