National Post | US warns Greece visitors about 'unprovoked' violent attacks against foreigners Toronto Star ATHENS, GREECE—The U.S. Embassy in Athens updated its travel advice Friday for American citizens visiting Greek cities, warning them to beware of the possibility of “unprovoked harassment and violent attacks” against people who could be mistaken for ... US embassy in Greece warns of rise in 'unprovoked' violence against foreigners ... US Embassy warns Americans of attacks in Greece US Embassy Warning on Greek Violence |