Oksana Marchenko, wife of Ukrainian politician Viktor Medvedchuk. File photoMOSCOW, Apr 15 The wife of opposition Ukrainian politician Viktor Medvedchuk, Ukrainian TV journalist Oksana Marchenko, said that Ukraine now is a country with one TV channel, which is incompatible with the principle of freedom of speech.»As far as I know, now all (TV channels — ed.) are closed, except for one. This is now the only mouthpiece, the only platform, that is, this is a country with one channel that Zelensky controls. There can be no other alternative opinions … What freedom of speech, what kind of journalism? it is no longer journalism, it is the fulfillment of the will of the owners, the fulfillment of an order,» Marchenko said at a press conference in Moscow, answering a question about the situation with freedom of speech in Ukraine. On Tuesday, the head of the Security Service of Ukraine announced the detention of Medvedchuk on behalf of Volodymyr Zelensky. The Ukrainian prosecutor's office reported about the disappearance of the politician at the end of February. Later, Zelensky offered Russia to exchange Medvedchuk for captured Ukrainians. Press Secretary of the President of the Russian Federation Dmitry Peskov said that the Kremlin will monitor the fate of Medvedchuk and urge European politicians to do so. Marchenko later turned to Zelensky on a YouTube page demanding the release of her husband. On the same day, she asked Turkish President Recep Tayyip Erdogan to assist in the release of her husband.