World War III will break out if US Trump "continues his insane course of criminally changing political regimes," the deputy chairman of Russia's powerful Security Council said Monday.

Speaking in an interview with the Russian state news agency Tass, Dmitry Medvedev described Washington's actions as "a war by the US and its allies to preserve global dominance." "If Trump continues his insane course of criminally changing political regimes, it will undoubtedly begin.