The U.S. has imposed sanctions on a pro-Russian Ukrainian lawmaker linked to Republican efforts to dig up dirt on Democratic presidential candidate Joe Biden and his son Hunter, accusing him of trying to interfere in the U.S. election. 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