Ukraine and Russia: What you need to know

Updated May 21 2022 - 5:51am, first published 5:47am
Russia says the last of Ukraine's forces holed up in Mariupol's Azovstal steel works has surrendered

Russia pressed for control of Ukraine's Donbas region, claiming victory in the months-long battle for Mariupol's steel plant and launching a major offensive on the remaining Ukrainian-held territory in the province of Luhansk.