Watch: What we know about Russia's overnight strikes on Ukraine

A key energy facility and a residential building on the outskirts of Kyiv were hit by Russian missile and drone strikes overnight. At least three people were killed and 21 injured in Kyiv, and around 600,000 Ukrainians are without power after strikes targeted critical infrastructure in Kyiv region and Kharkiv. Russia stated that its 'massive' strikes aimed at Ukrainian military communication and energy facilities.