(CNN) — Multiple people are dead or unaccounted for after a military explosives facility in Tennessee blew up Friday morning, rattling nearby homes and setting off smaller explosions, local officials say.

The explosion, which happened around 7:45 am local time, was a “devastating blast” but responders were able to secure the scene by late morning, Humphreys County Sheriff Chris Davis said at a news conference on Friday.

“We do have several people at this time that’s unaccounted for,” Davis said. “We do have some folks, we can confirm that we do have some that are deceased.”

Three people with “minor injuries” from the explosion were treated at TriStar medical facilities in Dickson, Casey Stapp, the spokesperson for TriStar Health said. Stapp said two people were released, and one person

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