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Mexican petroleum firm Petroleos Mexicanos said that at least 13 people have died due to the recent blast at its petrochemical facility in the country's Veracruz state, reported Reuters.
"We know there was a leak, what we don't know is why, but everything points to an accident," Pemex CEO Jose Antonio Gonzalez Anaya said. The explosion has injured 136 people and 18 are unaccounted for. The plant is a joint venture between Pemex and chemical firm Mexichem S.A.B. de C.V.