MEXICO CITY — 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.

Mexican President Andrés Manuel López Obrador has blamed the United States in part for the surge in cartel violence terrorizing the northern state of Sinaloa which has left at least 30 people dead in the past week.

Mexican President Andrés Manuel López Obrador is asking the warring factions of the Sinaloa cartel terrorizing the capital city of Culiacán to act "responsibly” so no one else gets killed

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.