The Organization for Security and Cooperation in Europe (OSCE) has expressed its protest against the arrest of Ukrainian journalist Roman Suschenko of the Ukrinform national news agency in the Russian Federation and has called on the Russian authorities to release him. The mission of Ukraine in the OSCE has written this in Twitter, the Ukrainian News Agency reports. The statement gives no further details. As Ukrainian News Agency earlier reported, Verkhovna Rada First Deputy Chairperson Iryna Heraschenko has called on the OSCE and the Council of Europe to express their protest against the arrest of Ukrainian journalist Roman Suschenko in the Russian Federation. The Ministry of Foreign Affairs of Ukraine has expressed its strong protest against the arrest of Roman Suschenko. Roman Suschenko pleads not guilty in espionage.