Nogales, Mexico: 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. As a reminder, the U.S. Travel Advisory designates Sonora as a Level 3 (“Reconsider Travel”) area. More at: https://t.co/ncWFHup8WP