All 13 people aboard were killed when a private jet crashed between the U.S. city of Las Vegas and Monterrey in northern Mexico, authorities said on Monday.

A 15-year-old student opened fire at a private school in the northern Mexican city of Monterrey on Wednesday, hitting a teacher and three other students before fatally shooting himself.

A brutal fight between rival factions killed 52 inmates and injured 12 at a prison in northern Mexico on Thursday, the state governor said.