Russia struck Ukraine with cruise missiles from ships in the Black Sea and Caspian Sea, and launched hypersonic missiles from Crimean airspace, the Russian defence ministry said.
The city council in Mariupol said Russian forces bombed an art school on Saturday where about 400 residents had taken shelter. There was no immediate word of casualties, and Reuters could not independently verify the claim. Russia denies targeting civilians.
Ukrainian Deputy Prime Minister Iryna Vereshchuk said seven humanitarian corridors would open on Sunday to enable civilians to leave frontline areas.
Turkey's foreign minister said Russia and Ukraine were nearing agreement on "critical" issues and he