Ohio train derailment prompts 'major explosion' warning | USA TODAY

Ohio Governor Mike DeWine issued an evacuation order after a train derailment caused a chemical fire Friday evening near the Pennsylvania border. RELATED: Train derails after smashing into truck carrying 134-foot beam
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Residents living within a mile of the train derailment in East Palestine, Ohio, a village near the Pennsylvania border, were given an urgent evacuation order Sunday night. Ohio Gov. Mike DeWine said Sunday that there had been a "drastic temperature change" in a rail car, which could cause a "catastrophic tanker failure," making it possible for an explosion with deadly shrapnel traveling up to a mile.

Nearly half of the village of 4,761 residents were told to evacuate late Friday after a train carrying hazardous materials derailed and caused a chemical fire. The village remained under a state of emergency and evacuation order but local officials said more than 500 people have declined to leave their homes.