The United States has updated its advice to travelers heading for Europe, warning of an increased terrorist threat over the Christmas and New Year holiday season.
Washington has a long-standing warning to its citizens to beware extremist attacks in European cities, and in recent years it has expressly warned of dangers at festive events.
Washington has a long-standing warning to its citizens to beware extremist attacks in European cities, and in recent years it has expressly warned of dangers at festive events.