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Mexico state oil company: Worker killed in refinery accident

MEXICO CITY — Mexico's state oil company says a worker has been killed in a chemical accident at a diesel refinery in the northern part of the country.

Petroleos Mexicanos says in a statement that the employee came in contact with a release of toxic hydrogen sulfide while doing maintenance work.

Two others were injured and were in stable condition Thursday.

The plant is located in Ciudad Madero, in the Gulf coast state of Tamaulipas.

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