It's the kind of tragedy no community is ever prepared for. What started as an ordinary Friday morning quickly turned into a nightmare for residents of McEwen, Tennessee. A massive explosion at a local explosives manufacturing facility rocked the area - leaving behind devastation, unanswered questions, and a town in mourning.RELATED: Man Arrested After Fatal Shooting Claims 19-Year-Old's Life At South Carolina State UniversityFatal Blast Hits Explosives Plant, 19 MissingAccording to officials, the blast occurred around 7:48 a.m.