PORT ARTHUR, TEXAS: "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. No injuries have been reported."

https://kfdm.com/news/local/reported-explosion-at-valero-in-port-arthur-sends-black-smoke-and-fire-skyward