Russia has launched criminal case against the leader of Ukraine’s

Svoboda party, Oleh Tiahnybok, and some members of Ukrainian National

Assembly-Ukrainian People’s Self-Defense (UNA-UNSO), accusing them of

organizing an armed gang, Investigative Committee spokesman Vladimir

Markin told Interfax on Friday.

Markin said Tiahnybok supported Chechen separatists in the 90s.