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First responders treat a man after an explosion ripped through a gas pipeline distribution center in Reynosa, Mexico near Mexico's border with the United States, Tuesday Sept. 18, 2012. Mexico's state-owned oil company, Petroleos Mexicanos, also known as Pemex said the fire had been extinguished and the pipeline had been shut off but ten people were killed during the incident. (AP Photo/El Manana de Reynosa)

Mexico pipeline explosion

Mexico's state-owned oil company says at least five people are still

listed as missing in a pipeline fire that killed 26 workers and injured

46 others at a plant near the U.S. border. (Sept. 19)