One firefighter has died and another was critically injured in a gas explosion and fire that leveled several buildings in downtown Sun Prairie, Wisconsin.
Authorities said that at least six firefighters were injured along with some civilians when a private contractor struck a natural gas main about 6:30 p.m. Tuesday.
Firefighters arrived to investigate the leak and cordon off the area. The buildings exploded a short time later. The fire resulting from the explosion ignited some cars parked in the area.