The Ukrainian opposition planned the ongoing mass protests in Kyiv beforehand and prepared a scenario involving the use of force among others, a high-ranking Ukrainian Interior Ministry official said.

"Information that is contained on servers that have been confiscated concerns the Batkivschyna all-Ukrainian association's activities and indicates that the mass protest actions that started in Kyiv on November 21 last year were not spontaneous but had been planned beforehand," Oleh Hnativ, a deputy chief of the Interior Ministry main investigations department, said at a press conference in Kyiv on Friday.

Hnativ said he meant servers confiscated from an office housing an IT company on Turovska Street on December 9, 2013.