Multiple people were killed and at least 13 remain unaccounted for following a “devastating blast” at a Tennessee bomb factory Friday morning, according to officials. The massive explosion was reported around 7:45 a.m. local time at the Accurate Energetic Systems plant at the Hickman-Humphreys County line, west of Nashville. Humphreys County Sheriff Chris Davis confirmed to reporters there were “some” fatalities and that there are people still missing, but did not provide numbers.