President Joe Biden warned Russian President Vladimir Putin on Tuesday that the West would impose "strong economic and other measures" on Russia if it invades Ukraine, while Putin demanded guarantees that NATO would not expand farther eastward. #JoeBiden #VladimirPutin #Ukraine #Russia #Crimea #News #Reuters 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