A huge explosion at a petrochemical plant near the Mexican port of Coatzacoalcos Wednesday killed three people, injured more than 100 and prompted evacuations in the area, authorities say.The blast at the Petroquimica Mexicana de Vinilo facility in the southern state of Veracruz, operated by Mexican national oil company Pemex, sent large plumes of dark smoke and toxic fumes across the region.Veracruz Governor Javier Duarte told CNN affiliate Televisa that ...
