On September 21, local time, U.S. officials that a gas pipeline in the southern U.S. state of Wyoming broke up early that morning, causing a fire and burning a freight train. The fire was visible more than 60 miles (nearly 100 kilometers) south of Colorado.

The statement said that a broken natural gas pipeline burned near a train wagon carrying dangerous goods, putting rescue personnel and surrounding areas at higher risk. There were no casualties and no large-scale leaks of dangerous goods posing a threat to the public. According to the latest news, as of 9 a.m., firefighters had controlled the fire.