U.S.-OHIO-FREIGHT TRAIN-TOXIC CHEMICALS-DERAILMENT

This video screenshot released by the U.S. National Transportation Safety Board (NTSB) shows the site of a derailed freight train in East Palestine, Ohio, the United States. About 50 Norfolk Southern freight train cars derailed on the night of Feb. 3 in East Palestine, a town of 4,800 residents near the Ohio-Pennsylvania border, due to a mechanical problem on an axle of one of the vehicles. There were a total of 20 hazardous material cars in the train consist, 10 of which derailed, according to the NTSB, a U.S. government agency responsible for civil transportation accident investigation. (NTSB/Handout via Xinhua)