"Whoever, and however much they try to destroy, they will face many times more destruction themselves and will regret what they are trying to do in our country," Putin said on Dec. 22.

Kremlin leader Vladimir Putin has threatened Ukraine with "even greater destruction" following a drone strike on the Russian city of Kazan on 21 December, omitting to mention the devastation Russian forces have wreaked in Ukraine over nearly three years of the full-scale war.