Mexican marines captured Sergio Villarreal Barragan, a presumed leader of the embattled Beltran Leyva cartel who appears on a list of the country’s most-wanted fugitives, in a raid in the central state of Puebla, the government said.

Hooded gunmen killed the mayor of a small town in the northern Mexico state of San Luis Potosi, and prosecutors announced the arrest of seven suspects in the massacre of 72 migrants in August.