North Korean leader Kim Jong Un oversaw drills simulating a nuclear counterattack against the U.S. and South Korea in a warning to the allies who are scaling up their joint military exercises, state media KCNA said. #News #Reuters #newsfeed #NorhtKorea #KimJongUn 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: https://www.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