US tightens government travel in Nogales amid threat warning

The U.S. Embassy restricted government activity and travel to Nogales, Sonora to daylight-only essential movement after an unspecified threat. The State Department reiterates Sonora’s Level 3 (Reconsider Travel) advisory and urges Americans in the area to exercise heightened caution while authorities continue preventive security measures; lawmakers, including Rep. Andy Biggs, urged people to heed the government guidance, though no concrete risk details were provided.