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Valero shuts Texas refinery after explosion rocks diesel unit, sources say

Valero Energy Corp has shut ?its 380,000-barrel-per-day (bpd) oil refinery in Port Arthur, Texas, ?following an explosion ?and fire at ?a diesel hydrotreater ?unit, people familiar with the plant operations said on Monday.

It is not known what caused the explosion. Sources said that the blast could be heard up to 11 miles away.

Valero confirmed in an email to that there was a fire at a refinery unit of the company, Port Arthur. The company also stated that all employees were safe.

Diesel hydrotreaters remove sulfur from motor fuels using hydrogen during production in order to comply with U.S. environmental regulations.

Emergency management officials from the City of Port Arthur issued a shelter-in place order immediately "to ensure safety for all residents living in the area in light of recent explosions at the Valero Refinery."

Sources said that shutting down the refinery was necessary to stop the fire. The fire continued to burn for nearly five hours following the explosion on Monday evening at 7:30 pm CDT (0030 GMT). As firefighters tried to extinguish the fire, the refinery lost its water supply and steam.

Valero said that its "emergency response team" is responding to the incident and coordinating with local authorities... and as a precautionary measure, Jefferson County officials closed State Highways 82 & 87."

Valero’s?Port Arthur refining plant, the largest in the company, is located 86 miles (139 kilometers) east of Houston. Reporting by Erwin Seba, in Houston; Ishaan arora and Swati verma in Bengaluru. Editing by Christian Schmollinger and Sherry Jacob Phillips.

(source: Reuters)