Tennessee explosion, Oct. 11 -- At least 19 people are missing after a massive explosion ripped through a munitions plant in rural Tennessee on Friday morning, flattening buildings, shaking homes miles away and sending shock waves through the community.

The blast struck the Accurate Energetic Systems (AES) facility in Bucksnort, about 60 miles southwest of Nashville, around dawn. Authorities say it's still unclear what caused the explosion.

"There's nothing to describe," said Sheriff Chris Davis of Humphreys County. "It's gone."

Davis confirmed that 19 people remain missing. "I can tell you we are missing 19 souls right now," he said.

The early morning blast triggered smaller explosions inside the factory, making rescue operations dan...