A train carrying hazardous materials has derailed on Interstate 40 in Mohave County, Arizona, near the Arizona/Nevada border.
The incident occurred between Bullhead City and Lake Havasu.
No spills have been reported yet, according to officials.
The National Transportation Safety Board (NTSB) is heading to the scene to investigate the cause of the derailment.
The type of hazardous material on the train is currently unknown.
More updates will be provided as new information becomes available overnight.
