US issues security warning, restricts government travel to Mexican border city Nogales

US restricts government travel in Mexican border city over unspecified threat. Travel and official activity for US government employees in Nogales, Mexico, have been restricted following an unspecified security threat reported in the border city.The US Embassy and Consulates in Mexico issued the alert on Saturday. The US Consulate General in Nogales said in a statement: “Due to threat information, U.S. government activities in, and travel to, Nogales have been restricted to essential movement during daylight hours only.”“We are alerting U.S. citizens of this threat and change in posture,” the statement added.The consulate did not identify the threat or provide details about the information behind the warning.Mexican authorities said they had contacted US consular officials after the alert was issued. Sonora’s State Security Board said it had not received information pointing to a specific threat or an immediate danger to the public.The state security agency said preventive operations would continue in Nogales.The warning comes with Sonora already classified by the US State Department as a Level 3 destination, meaning Americans are advised to “Reconsider Travel.”US citizens in Nogal...