Article Photos: Mexico blast a blow to Pemex's improving safety



  Severely burnt out Pemex gas tanks at the Petroleos Mexicans pipeline distribution center on the outskirts of Reynosa, Mexico, reveals some of the extent of the damage caused by the gas explosion, Wednesday Sept. 19, 2012. The death toll in a pipeline fire at a distribution plant near the U.S. border has risen to 29, Mexico's state-owned oil company said Wednesday. At least 46 others were injured, and more might be missing. (AP Photo/The Monitor, Delcia Lopez)

Severely burnt out Pemex gas tanks at the Petroleos Mexicans pipeline distribution center on the outskirts of Reynosa, Mexico, reveals some of the extent of the damage caused by the gas explosion, Wednesday Sept. 19, 2012. The death toll in a pipeline fire at a distribution plant near the U.S. border has risen to 29, Mexico's state-owned oil company said Wednesday. At least 46 others were injured, and more might be missing. (AP Photo/The Monitor, Delcia Lopez)