He noted the US concern about this.
"The plans include efforts to destabilize Ukraine from within, as well as large-scale military operations," RIA Novosti quoted him as saying.
Earlier, Russian Foreign Minister Sergei Lavrov announced the attempts of NATO states to turn Ukraine into an "anti-Russia".
The official representative of the Ministry of Foreign Affairs of Russia, Maria Zakharova, said at a briefing that, according to some sources, Kiev had drawn up to 125 thousand troops to Donbass.
She noted that this is half of the composition of the Ukrainian army.
The Kremlin considers it "dangerous adventurism" for Kiev to pull weapons to the contact line in Donbass.