REUTERS

"The Russian side does not abandon the idea of Ukraine's federalization and tries to use ethnic factors in the west and southwest of Ukraine to disseminate sentiments regarding autonomies," Hrytsak said.

Read alsoChubarov calls on Ukraine authorities to change Crimea's status in ConstitutionIn his words, ethnic groups of Hungarians, Bulgarians, Gagauzians, and Rusyns are now in the focus of Russian special services.

At the same time, Hrytsak assured that the SBU is making efforts to confront such type of aggression.

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