Nineteen people are dead or missing after a massive blast obliterated a building at a Tennessee explosives facility on Friday, authorities said — a “mass detonation” so significant that it rattled homes miles away.

The early-morning explosion at Accurate Energetic Systems, which manufactures military and demolitions explosives, left charred debris and mangled vehicles across a vast area.

The sheriff said there are fatalities but did not want to declare a death toll yet — just that “we’re missing 19 souls.”

“I always wish for the best,” Davis said. “Is there a possibility that somebody might be injured somewhere, or somebody that we don’t know about? Yes.”

Davis described the aftermath of the explosion as “the most devastating scene that I’ve seen in my career.”

Davis said investigator

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