SAN MIGUEL TOTOLAPAN, Mexico—A drug gang shot to death 20 people, including a mayor and his father, in the mountains of the southern Mexico state of Guerrero, officials said Thursday.
Residents began burying the victims even as a video posted on social media showed men who identified themselves as the Tequileros gang claiming responsibility for the mass shooting.
The Guerrero state security council said gunmen burst into the town hall in the village of San Miguel Totolapan Wednesday and opened fire on a meeting the mayor was holding with other officials.
Among the dead were Mayor Conrado Mendoza and his father, Juan Mendoza Acosta, a former mayor of the town. Most of the other victims were believed to be local officials….