Chief of the Crimean office of Azov Civil Corps Stanislav Krasnov, who was detained by the employees of the Security Service of Ukraine (SBU) and now is kept in SBU's the pretrial detention facility, now cooperates with Russia and already handled the lists of Interior Ministry's Azov Corps to his curator, SBU reported.

"Krasnov directly passed Russian side the lists of Azov Corps, also was meeting with his Russian curator in the Republic of Belarus within February 10 to 13," said SBU chief of staff Oleksandr Tkachuk at a briefing in Kyiv.

He also has said that the SBU knows the name of the Russian curator of detained Krasnov.

"He has been keeping in touch with the Russian party since 2014…We know the surname of the citizen of Russian Federation, with which Krasnov was in touch," Tkachuk added.