Iran and the U.S. executed the final steps of a highly complex diplomatic deal that saw five Americans released from an Iranian prison on Monday. The prisoners landed safely on U.S. soil on Tuesday morning after years spent locked away in Tehran's notorious Evin Prison.
What travel warnings do other nations give their citizens about US violence? thefrontierpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thefrontierpost.com Daily Mail and Mail on Sunday newspapers.
From Australia to the United Kingdom, CNN Travel looks at what other governments tell their citizens about staying safe in a United States where mass shootings and gun violence have become commonplace.