Mexican armed forces and federal police patrol ranches in the north of Mexico believed to have been used by the Zetas drug cartel.<br/> After several days of co-ordinated police and military operations, police Saturday swooped on several ranches in Nuevo Leon believed to be training centres and storage facilities for drugs and weapons.<br/> At least nine suspected cartel members were killed in the firefights.<br/> The Mexican army presented 11 captives to the media at a news conference - including the man known as "El Chabelo", an alleged boss of the Zetas cartel.<br/> Authorities also presented guns, ammunition, grenades, grenade launchers and marijuana seized during the raids.<br/> Mexican authorities blame the Zetas drug cartel in the Nuevo Leon region for the murders of 72 migrants found shot dead on a ranch in August of 2010.<br/> Nick Rowlands, Reuters.
