The Kremlin is said to have been plunged into panic as the Russian invasion of Ukrainian falters - which could prompt Putin to execute 'plan B', according to a Russian expert.
Invading forces have hardly moved in recent days and the Russian attack is now largely focused on intense shelling and airstrikes as opposed to more tactical manoeuvres.
It comes as Putin has been forced to admit the deaths of several high-ranking officers in what Russia continues to call a 'special military operation'.
