The cases of political prisoners in Russia Oleh Sentsov and Oleksandr Kolchenko, who are held in Russia, are under special control of the Ministry of Foreign Affairs of Ukraine (MFA).

"The cases of Oleh Sentsov and Oleksandr Kolchenko are under special control, because the Russian side continues to ignore our requests," State Secretary at the Ministry of Foreign Affairs Andriy Zayats said at a briefing in Kyiv on Monday.

He added that nine Ukrainian citizens had been freed from Russia with the efforts of Ukrainian diplomats.

According to the diplomat, on the whole, over 300 notes were sent to the Russian side with the demand to ensure the rights and release of Ukrainian citizens, while consuls visited 240 Ukrainians in prisons.