We're about to pause this coverage for the day. Here's a reminder of the top stories this evening:
- The US has announced further sanctions against Russia, including export control restrictions aimed at degrading President Putin's war effort
- The annoucement came as the G7 leaders and President Zelensky met - via video call - and committed to "phasing out or banning the import of Russian oil" while working together "to ensure stable global energy supplies"
- In an extraordinary news conference, members of the Azov regiment heavily criticised Ukraine's government over their plight as they remain trapped at the Mariupol steelworks - but said surrender was "unacceptable"
- More than 60 people are now feared dead after a Russian bomb hit a school where people were sheltering in eastern Ukraine on Saturday, the local governor says - with many believed to be trapped under rubble
- US first lady Jill Biden made a surprise visit to a school in Ukraine where she met Ukraine's own first lady Olena Zelenska. Mrs Biden said she wanted "to show that the people of the United States stand with the people of Ukraine"
- And Canadian Prime Minister Justin Trudeau made an unannounced visit to the town of Irpin, where he witnessed the destruction caused by occupying Russian troops before they left the region.