MOSCOW (MRC) -- State oil firm Petroleos Mexicanos (Pemex) said one person was killed while five others suffered injuries on Tuesday afternoon when an explosion rocked its crude oil refinery in the state of Hidalgo, reported Ubalert.
The incident took place at the Miguel Hidalgo refinery which is situated in the town of Tula.
According to a statement issued by Pemex, the explosion occurred at 3:15 p.m. (local time) at the 500-1 unit in the Hidros Plant Unit I while maintenance work was being conducted. The blast came during the start-up of the Hidros 1 Plant, but operations at the facility were not suspended.
Six injured victims received emergency treatment at a Pemex hospital and a clinic of the Mexican Social Security Institute. Unfortunately, one of them died. Three of the victims are Pemex workers while the other three are from contractors.
The exact cause of the explosion is still unknown and authorities have yet to provide further details.
As MRC informed previoulsy, a powerful explosion rocked the Mexico City headquarters of state-owned oil giant Pemex on 1 February, killing at least 37 people, injuring more than 100 and trapping others inside. An accumulation of gas caused the blast.
Pemex, Mexican Petroleum, is a Mexican state-owned petroleum company. Pemex has a total asset worth of USD415.75 billion, and is the world's second largest non-publicly listed company by total market value, and Latin America's second largest enterprise by annual revenue as of 2009. Company produces such polymers, as polyethylene, polypropylene, polystyrene.