U.S. officials have suspended government activities and travel to the Mexican border city of Mexicali, located directly across from Calexico, California, following a potential security threat.
The U.S. Embassy and Consulates in Mexico issued a statement on August 25, announcing the suspension and alerting U.S. citizens to the potential danger. The alert was prompted by information regarding a potential armed attack by a criminal group known as Los Rusos against law enforcement facilities in Mexicali.
Americans in Mexicali were advised to avoid government buildings, remain aware of their surroundings, and follow instructions from Mexican law enforcement. They were also urged to monitor local media for updates.
The security alert follows closely behind a significant drug seizure in Mexicali. Mexican authorities reported confiscating approximately 265 pounds of fentanyl from a warehouse in the city just days prior to the threat notification. The seizure was estimated to contain about 4 million doses of the opioid.
Mexicali, the capital of Baja California, serves as a crucial port of entry and a bustling hub for cross-border travel and commerce. In 2025, federal transportation data indicated that over 5.4 million personal vehicles and 3.1 million pedestrians entered the U.S. through the neighboring Calexico port of entry.
While not typically considered a primary tourist destination, Mexicali's role as a transit point underscores the potential impact of security concerns on regional activity.
The incident occurs as Mexico continues to confront challenges related to cartel violence and organized crime. Previously, some cruise lines bypassed destinations like Puerto Vallarta due to violence linked to cartel activities, leading to U.S. security warnings and temporary shelter-in-place orders in affected Mexican cities.