PORT ARTHUR — First responders rushed to the Valero facility in Port Arthur after a reported explosion that sent thick, black smoke into the sky.
A shelter-in-place order was issued for the west side of Port Arthur.
Sheriff Zena Stephens says the explosion was likely caused by an industrial heater.
A video sent in by KFDM viewer Gabriella Koenig showed giant clouds of black smoke and fire rising from the scene.
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No injuries have been reported.
