HICKMAN COUNTY, Tenn. (WKRN) — Casualties have been reported following an explosion Friday morning at a military explosives manufacturing plant in Tennessee, officials said.

Humphreys County Sheriff Chris Davis said Friday afternoon that "19 souls" were still unaccounted for at the plant, operated by Accurate Energetic Systems. He later used the word "missing" to describe the employees.

"This is probably one of the most devastating sites … devastating situations that I've been on, in my career," Davis told reporters.

He also confirmed there had been fatalities, but would not specify a number.

The explosion took place around 7:45 a.m. at the Accurate Energetic Systems plant on the Hickman/Humphreys county line. According to the company's website, Accurate Energetic Systems makes and tes

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