U.S. President Joe Biden announced an additional $800 million in military assistance to Ukraine, expanding the scope of the systems provided to include heavy artillery ahead of a wider Russian assault expected in eastern Ukraine. #Ukraine #Russia #USA #JoeBiden #War #RussiaUkraineCrisis #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