Mexican officials say a deadly riot broke out during family visiting hours at a prison in the violence-plagued state of Sinaloa. The violence occurred Thursday morning at the El Castillo Penitentiary in the port city of Mazatlan. Sinaloa’s Public Security Secretariat said on its X account that nine inmates and one family member were killed in the incident, while 16 prisoners were injured and taken for medical treatment. Local media reported that inmates used firearms during the fight.