China May Chafe as North Korea Sends Soldiers to Fight Ukraine The New York TimesSouth Korea’s spy chief says North Korea has sent another 1,500 troops to Russia The Associated PressNorth Korean troops are in Russia, would be ‘legitimate targets’ in Ukraine, U.S. says The Washington PostKey Republican: US should consider ‘direct military action’ if North Korean troops enter Ukraine The HillWhat can the UN do if North Korea sends troops to Ukraine?