Twenty-five members of the Mexican National Guard were left dead in six separate attacks after special forces killed the notorious leader of the Jalisco New Generation Cartel, the country’s security secretary said Monday as much of Mexico feared more violence.

Rep. Dan Crenshaw calls reported death of "El Mencho," head of Mexico's CJNG cartel, a major win against deadly fentanyl trafficking to U.S. streets.

The death of notorious Mexican cartel leader “El Mencho" has thrown parts of Mexico into chaos, with far-reaching impacts to travel and American tourists in seaside towns.

U.S. citizens in Mexico are being advised to shelter in place after a cartel leader was killed, setting off violence in several regions.

Locals and tourists took shelter across Mexico amid a wave of retaliatory violence after government forces killed a powerful cartel leader, with gunmen blocking highways and torching cars. The death of Nemesio Rubén Oseguera Cervantes,

ABC7 heard from Chicago-area travelers currently in Mexico. There's a lot of uncertainty as clashes erupt throughout parts of the country following the death of "El Mencho," one of the Chicago DEA's most-wanted drug lords.

Airlines have diverted flights from two Mexican cities amid Mexican army action against a powerful drug cartel on Sunday.

The U.S. Treasury Department has sanctioned Kovay Gardens, a beachfront resort in Mexico's Nayarit state, accusing it of operating as part of a fraud network directed by the Cártel Jalisco Nueva Generación.