Thousands evacuated in Tennessee after freight train derails, catches fire

A freight train carrying flammable and toxic gas derailed and caught fire in Blount County, Tennessee, on Thursday, prompting the evacuation of more than 5,000 people, fire officials and rail company CSX Corp said. Specialists advised firefighters to let the fire burn itself out because attempts to extinguish it could be hazardous, Blount County firefighter Kermit Easterling said.