JASPER COUNTY, Ind. (WLS/CNN Newsource/WKRC) - A simple vehicle fire turned into a self-fueling explosion of fireballs after a semi-truck carrying aerosol paint cans ignited on the highway.

A semi-truck hauling paint cans burst into flames ... petroleum but later confirmed was paint cans — then caught fire. After the paint cans ignited, the blaze quickly spread to the semi cab ...