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Vienna hosts international bodies including the Organization for Security and Co-operation in Europe, the International Atomic Energy Agency, and the United Nations Office on Drugs and Crime
Austria expels four Russian diplomats on security groundsAustria expels 4 Russian diplomats linked to espionage, official saysRussia Vows Retaliation After Austria Expels Its DiplomatsAustria expels four Russian diplomats on security groundsAustria foreign ministry expels four Russian diplomats from Vienna over suspected espionage