Rescue teams recovered four bodies Sunday at the site of an explosion at a petrochemical plant in southern Mexico , bringing the number of workers killed in the accident to 32, state oil company Petróleos Mexicanos said. Pemex said 26 of the victims have been identified, and the bodies returned to families. Six of the bodies have yet to be identified, and six workers are still reported missing by families. Identification using DNA analysis is expected in several weeks. All other workers who were at the plant at the time of the accident have been accounted for, Pemex said Sunday. The explosion Wednesday at the plant owned by chemical company Mexichem SAB and Pemex injured at least 136 workers. Eighteen remained hospitalized as of late Friday. The cause of the accident is yet […]