Focus sharpens on Mexico fuel theft plan after blast kills 79

Fuel thieves punctured the Tula-Tuxpan pipeline a few miles from one of Mexico's main refineries on Friday.Half a dozen people interviewed by Reuters on Saturday said their relatives went to the leaking duct in Tlahuelilpan district in Hidalgo state because they struggled to find fuel elsewhere and were desperate to fill up cars to get to work or run their farms.Late last month, President Andres Manuel Lopez Obrador launched a program to shut down an illegal fuel distribution network that siphon