Russian President Vladimir Putin criticised amendments to a US-backed peace plan for Ukraine on Tuesday, accusing European officials of adding “demands that are absolutely unacceptable to Russia”, thereby “blocking the entire peace process”. Putin was speaking ahead of talks with US special envoy Steve Witkoff in Moscow. Follow our liveblog for the latest.

Yesterday's key developments:

• Ukraine’s president Zelensky spoke optimistically Monday about the progress of revising the Trump administration’s peace plan, saying “it looks better” and the work will continue during talks on how to end Russia’s nearly four-year war.
• Russia said Monday its forces had captured the city of Pokrovsk in eastern Ukraine, a key military logistics hub, as well as the city of Vovchansk in the northeast.
• The Trump administration is"very optimistic" about reaching an agreement to end the war in Ukraine, White House press secretary Karoline Leavitt said.