"Today, the Russian Federation hanged Donbas as a stone on Ukraine's neck, it cannot take it completely to the Russian Federation. Crimea is enough for them to feel their economic situation," Horbulin said at a press conference in Kyiv.

"I do not think that this can happen, although there is such a desire among some leaders in Luhansk and Donetsk regions. But taking the Donbas burden – it is unlikely that Russia will resort to this," Horbulin said.

Read alsoRussian march to Dnipro river never materialized - Atlantic CouncilEarlier, Ukrainian Interior Minister Arsen Avakov said that the Ukrainian security forces should already be ready for the return of the occupied territories of Donbas.