"This accident caused the intoxication of three workers of Pemex, who were carrying out maintenance work, and the unfortunate death of one of them," the company said in a statement a copy of which was released on its official Twitter account. The explosion was caused by a leakage of hydrogen sulfide at the U-501 refinery.
"There were no effects on the refinery which continues to operate on a regular basis," Pemex said in its statement. Local media reports say the number of injured in the explosion stands at 9, two of them have been hospitalized.
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