At the sharp end of efforts to stop the Russian army's progress in eastern Ukraine are the Carpathian Sich battalion, a unit of Ukrainians and foreign nationals who answered Kyiv's call for help to confront the invader. #News #Reuters #ukrainecrisis #russiaukrainewar 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