McEWEN, Tenn. (AP) — An explosion at a Tennessee military munitions plant left multiple people dead and missing on Friday, a county sheriff said, as first responders said secondary blasts forced rescuers to keep their distance from the burning site.

The blast occurred Friday at Accurate Energetic Systems, a company that makes and tests explosives. The cause of the explosion is not yet known. Residents miles away reported feeling the explosion.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.

McEWEN, Tenn. (AP) — A powerful explosion ripped through a Tennessee military explosives plant on Friday, authorities said, as smoke and secondary blasts forced rescuers to keep their distance from the burning site.

The blast occurred at Accurate Energetic Systems, according to the

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