Mexican Police Probe Massacre After Rival Criminal Groups Clash in Desert 

Authorities take part in an operation following an attack by an armed group, in Buenavista de los Hurtado, Guerrero state, Mexico, in this handout distributed on January 6, 2024. (Fiscalia General del estado de Guerrero/Handout via Reuters)

Note: The graphic description of the violence in this story may be disturbing to sensitive readers.