Some 53 people have been killed and 51 others are missing in Mexico's western Sinaloa state since rival factions of the Sinaloa Cartel began clashing on Sept 9, local authorities said on Friday, with gruesome violence showing no signs of abating.

At least 10 more people have reportedly been killed in Mexico’s northwestern state of Sinaloa, bringing the number of people killed or missing to more than 100, as rival cartel factions clash, with gruesome violence showing no signs of abating soon.

Andrés Manuel López Obrador said the United States bore some of the responsibility 'for having carried out that operation' to arrest Ismael 'El Mayo' Zambada.

Two warring factions of the Sinaloa cartel have clashed in the state capital of Culiacan in what appears to be a fight for power since two of its leaders were arrested in the United States in late July.

Two warring factions of the Sinaloa cartel appear to be fighting for power since two of its leaders were arrested in the U.S.

Rival factions of the Sinaloa drug cartel are waging a deadly war in northwestern Mexico, leaving dozens dead and missing in the wake of U.S. arrests of key cartel leaders. The violence between groups known as the “Mayos” and the “Chapos” erupted after U.