CNN: Rescuers continue search for missing children under rubble of building destroyed by Russian missile in Uman.
Ukraine war latest: Russian strike on Uman kills 23, including 4 children; rescue operation continues
Key developments on April 28: * Russian missile strike on apartment block in Uman kills at least 23 people * Defense minister: Preparations for Ukraine counteroffensive at final stage * Slovak, Czech presidents make joint visit to Ukraine * Denmark delivers Caesar howitzers to Ukraine A Russia...