Explosion Triggers Massive Fire at Texas Oil Refinery USA

A powerful explosion at a Valero oil refinery in Port Arthur triggered a massive fire, sending thick black smoke into the sky and alarming nearby residents.

Witnesses reported a loud blast that shook surrounding homes before flames engulfed parts of the facility.

Local authorities issued a shelter-in-place order for residents in nearby areas, including Sabine Pass, Pleasure Island, and regions south of Highway 73, as emergency crews responded swiftly to contain the blaze.

Jefferson County Sheriff Zena Stephens said the explosion was likely caused by an industrial heater, according to local media reports. No casualties have been officially confirmed so far, but investigations are ongoing.