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Explosion at Valero Refinery in Port Arthur, Texas, Triggers Shelter-In-Place

The explosion at Valero's Port Arthur refinery caused shelter-in-place orders and road closures but resulted in no injuries, with air quality monitoring ongoing, officials said.

  • On Monday, an explosion and fire occurred at the Valero Port Arthur Refinery in Texas, prompting local authorities to issue a shelter-in-place advisory for residents on the city's west side.
  • Jefferson County Sheriff Zena Stephens said the blast likely involved a heater unit, while Antonio Mitchell of the Port Arthur Fire Department noted, "The type of incident is unknown at this time."
  • The Valero Refinery produces 435,000 barrels per day with about 770 workers, while nearby residents reported hearing a loud boom that rattled windows and smelled of "rotted eggs."
  • Officials reported no injuries and emphasized that no evacuations have been ordered, while TxDOT stated, "Motorists are being asked to avoid SH 87 and SH 82 near Valero Refinery."
  • Police and Fire Departments continue patrolling and monitoring air quality in the area, advising residents to rely on verified information as responders assess the developing situation.
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KPNX broke the news in Phoenix, United States on Monday, March 23, 2026.
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