Local officials in western Ukraine say a Russian airstrike on a military training base that has hosted NATO drills killed at least 35 people and wounded 134.
Ukrainian President Volodymyr Zelenskyy is calling on Russian forces to heed residents in the occupied city of Melitopol who protest to demand their mayor be freed.
Ukraine's foreign minister says talks between the top diplomats of Moscow and Kyiv produced no breakthrough on ending the war in Ukraine following Russia's invasion.
The besieged Azov Sea port city of Mariupol in Ukraine has seen some of the most desperate scenes of the war, with civilians struggling without water, heat, basic sanitation or phones for several days.