‘What the f**k to do with them?’ Russian soldiers heard condemning North Korean recruits in intercepted audio CNNWhy Is North Korea Deploying Troops to Help Russia? Here’s What to Know. The New York TimesIf South Korea decides to get involved in Ukraine, it has powerful options Business InsiderKey Republican: US should consider ‘direct military action’ if North Korean troops enter Ukraine The HillNorth Korean troops fighting for Russia in Ukraine ‘fair game,’ U.S. warns Putin NBC News