In June, Acacio Flores, who represents Malinaltepec, was killed just days after the killing of Salvador Villalba Flores, another mayor from Guerrero state elected in the June 2 polls. Earlier in the month, a local councilwoman was gunned down as she was leaving her home in Guerrero.

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, which were shared on messaging platform WhatsApp this week.

A new mayor has been sworn in a city in southern Mexico where his predecessor was killed and beheaded less than a week after taking office.

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.

The mayor of Chilpancingo, the capital of Mexico's violence-plagued state of Guerrero, traveled alone to an out-of-town meeting before he was killed, Mexico's security minister said on Tuesday about a murder which has shocked the country.

Alejandro Arcos, the newly elected mayor of Chilpancingo, capital city of Mexico's Guerrero state, was assassinated on Sunday. His murder comes less than a week after he assumed office in a city infamous for its high crime rate.

A new mayor was sworn in Thursday in a city in southern Mexico where his predecessor was killed and beheaded less than a week after taking office. The new mayor, Gustavo Alarcón, a doctor, had been elected as an alternate on the same ticket as deceased Mayor Alejandro Arcos in the June election.

Alejandro Arcos, a member of Mexico’s main opposition alliance, was tragically murdered merely six days after being sworn in as the mayor of Chilpancingo. This horrific incident which is the latest in a string of crimes,