Prison riot in Mazatlán kills 10, including toddler; Navy deploys

A brawl escalated into gunfire inside El Castillo prison in Mazatlán, killing ten people including a two-year-old visiting with family, and injuring sixteen inmates. The incident, which began near Module 4, prompted a Navy-led security operation. This highlights persistent cartel influence within Mexican prisons and raises questions about inmate control and visitor safety.