EAST PALESTINE, Ohio—Officials monitoring the smoldering, tangled wreckage of a train derailment in northeastern Ohio urgently warned hundreds of nearby residents who had declined to evacuate to do so Sunday night, saying a rail car was at risk of a potential explosion that could launch deadly shrapnel as far as a mile.
They warned of “the potential of a catastrophic tanker failure” after a “drastic temperature change” was observed in that rail car, according to a statement from Ohio Gov. Mike DeWine’s office that said teams were working to prevent an explosion at the scene in East Palestine. It did not specify what was in that car or whether it was among those that had been carrying hazardous materials….