A massive explosion tore through Smitty’s Supply plant in Roseland, Louisiana, forcing hundreds to evacuate within a one-mile radius. The blaze remains 90&#37 contained, but smaller explosions continue as crews battle toxic smoke and environmental risks. No injuries reported yet, but fear grips residents as investigations into the cause unfold.A massive explosion tore through Smitty’s Supply plant in Roseland, Louisiana, forcing hundreds to evacuate within a one-mile radius. The blaze remains 90&#37 contained, but smaller explosions continue as crews battle toxic smoke and environmental risks. No injuries reported yet, but fear grips residents as investigations into the cause unfold.