A massive explosion at a military explosives manufacturing facility in Tennessee has resulted in multiple casualties, with reports confirming at least 19 people missing and feared dead. Authorities state that the blast occurred at the Hickman County plant, sending shockwaves that were felt over 20 miles away. Search efforts are currently underway to locate those unaccounted for, while officials continue to assess the situation. Local law enforcement has described the explosion as devastating, highlighting the urgency of the situation as they work to confirm the number of fatalities and injuries.