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"There will be no big war as such. That very moment is lost. Russia could have really unleashed it, but it just did not happen," he said.

Bogdanov believes there will be no significant developments in this regard. According to the former FSB operative, certain escalations will continue, complicating the situation in Donbas, but no large-scale military operations will follow.

Read alsoAtlantic Council: Is Russia getting ready to invade Ukraine again?Earlier, Ukrainian Foreign Minister Pavlo Klimkin said that Kyiv was negotiating with Western allies considering a scenario of Russia's full-blown invasion into Ukraine.