A worker waits to be treated by first responders 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. (AP Photo/El Manana de Reynosa)
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)