What travel warnings do other nations give their citizens about US violence?
From Australia to the United Kingdom, CNN Travel looks at what other governments tell their citizens about staying safe in a United States w
The agency monitors the world for potential trouble and issues warnings from "Level 1: Exercise Normal Precautions" to "Level 4: Do Not Travel," alerting would-be visitors to terrorism threats, war, arbitrary enforcement of local laws, high crime rates and other personal security issues.














