A house fire that caused an explosion in a home in Columbia, Tennessee, July 9 led to the heroic rescue of a disabled woman who was still inside. Bodycam footage from a Columbia Police Department officer who was the first to respond shows an area in Riverside engulfed in smoke as he pulled up to the scene. Corporal Allan Ervin stepped out of his vehicle just as a massive explosion in the garage rocked the house, sending debris flying through the air and across the front lawn. (Courtesy of Columbia Police Department) “As I approached the scene, I am trying to think two or three steps ahead,” Erwin told The Daily Herald. He had been driving along Nashville Highway when he got the call and immediately called for support when he saw a plume of smoke over the neighborhood. The officer is seen sprinting toward the house without hesitation, approaching its …