US President Joe Biden said his country would remain with Ukraine "as long as it takes" during a surprise visit to Kyiv, just days ahead of the first anniversary of Russia’s invasion of Ukraine. Washington has expressed concern that China may be considering supplying weapons to Russia, with Beijing's top diplomat due to visit Moscow shortly. Read our live blog to see how all the day's events unfolded. All times are Paris time (GMT+1).
This live page is no longer being updated. For more of our coverage of the war in Ukraine, click here.