Overview

• Roughly two to three dozen UNAM faculties, CCH campuses and preparatorias have halted in-person classes or entered paros, with most instruction moved online as counts reported by outlets range from 23 to 31.
• Threats circulated via email, Facebook and anonymous notes prompted evacuations and remote learning, including a published warning received by the Faculty of Chemistry and a cleared bomb scare at Preparatoria 8.
• UNAM entities filed formal complaints and requested cyber-police support to trace the origins of the messages, while the federal Security Cabinet is backing investigative needs, according to President Sheinbaum.
• Rector Leonardo Lomelí and the University Security Commission outlined measures including stricter access control, reinforced monitoring and patrols, legal and disciplinary action against those spreading threats, and an expanded mental‑health program coordinated with federal and local authorities and the IMSS.
• CCH Sur—where a 16-year-old student was killed on Sept. 22—will implement immediate access-control upgrades as part of a broader effort to update protocols and plan an orderly return to safe on-campus activities.