US government imposes travel restrictions on Mexican border city due to security alert

The U.S. Embassy and Consulates in Mexico have issued a travel warning for Nogales, Sonora, citing an unspecified threat. U.S. government employees are now restricted to essential travel during daylight hours only. This alert reminds Americans that Sonora is designated as a Level 3 “Reconsider Travel” area. U.S. officials encourage people in the vicinity to remain vigilant, follow government guidance, and monitor local media for updates. The specific nature of the threat remains unclear.