Russian President Vladimir Putin is set to host a Kremlin ceremony annexing four regions of Ukraine, while Ukrainian President Volodymyr Zelenskiy said Putin would have to be stopped for Russia to avoid the most damaging consequences of the war. #News #Reuters #newsfeed #putin #ukrainerussiawar #ukraine #russia #zelenskiy Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en