Information agency Rossiya Segodnya journalist Ksenia Shakalava, right, gives a letter from RIA Novosti Ukraine news portal head Kirill Vyshinsky's mother to the Organization for Security and Co-operation in Europe (OSCE) Secretary General Thomas Greminger during news conference after the meeting with Russian Foreign Minister Sergey Lavrov, in Moscow, Russia, November 2, 2018. Kirill Vyshinsky has been arrested and jailed in Ukraine since May on suspicion of supporting the self-proclaimed Donetsk and Luhansk People's Republics and high treason.