Mayor Alejandro Arcos Catalan, who had just taken office the same day as Sheinbaum, was found murdered brutally Sunday.

The gruesome killing represents yet another challenge for the country’s new president, who faces increasing pressure to show progress in the fight against violent cartels.

A portrait of Alejandro Arcos, the mayor of Chilpancingo who was killed on Sunday less than a week after taking office, is shown at his funeral service as Mexico's President Claudia Sheinbaum is set to unveil a new security policy,

The mayor of a town in southern Mexico was brutally murdered less than a week after he took office, as photos circulated of his severed head sitting on a pickup truck. Alexander Arcos was killed on Sunday,

Alexander Arcos was killed on Sunday, just six days after he was elected the mayor of Chilpancingo, a city around 170 miles south of Mexico City with a population of around 280,000. Officials confirmed the murder from the gory photos of his decapitated head,

Arcos' social media posts show the mayor in recent days had been supervising disaster relief efforts following the impact of Hurricane John last month, which caused severe floodin

The mayor of a violence-plagued city in Mexico was killed on Sunday with his decapitated body left in a pickup truck and his severed head placed atop the vehicle's roof.