Overview
- The derailment occurred before dawn on January 4 in the Agua Zarca sector near kilometer 21 in Nogales, Sonora.
- Municipal protection officials said several rail units were involved, including cars carrying corn syrup, which is not classified as hazardous.
- State and municipal protection agencies, municipal public security, AMIC, and the National Guard’s Vías de Comunicación unit secured and evaluated the site.
- Ferromex assumed responsibility for operational maneuvers and technical follow-up, with local authorities maintaining preventive monitoring.
- Some outlets cited heavy damage to tanker wagons, a detail not confirmed by officials, as the episode adds to recent border-region rail incidents drawing scrutiny of infrastructure and logistics.