Multiple people are dead following a "devastating blast" at an explosives manufacturing plant in Tennessee on Friday, according to authorities.

The explosion occurred Friday morning at Accurate Energetic Systems in McEwen, located about 50 miles west of Nashville.

Humphreys County Sheriff Chris Davis confirmed to reporters there are "some" fatalities and several people missing in the blast, though he did not give specific numbers.

Aerials show aftermath after fiery blast reported at a Tennessee explosives company

At least 13 people are unaccounted for, Hickman County Mayor Jim Bates told ABC News.

"We got a very big investigation," Davis said during a press briefing. "This is not going to be something that we're going to be like a car wreck or something like that, that we're just goin

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