Ukraine has accused the Kremlin of reviving Stalin's genocidal tactics while commemorating the Soviet-era famine that killed millions of Ukrainians in the winter of 1932-1933.

On the day Ukraine remembers the victims of the Holodomor, a mass and deliberately-caused famine during the Soviet era, Ukraine is fighting a Russian invasion with major power outages caused by airstrikes on power plants that Kyiv says are aimed at impair resolve.

Once they wanted to destroy us with hunger, now with darkness and cold," President Zelenski wrote on the Telegram application and added: "We must not break."