North Korean troops have entered the fight in Russia's war against Ukraine, clashing for the first time with Ukrainian forces who are occupying a large chunk of Russia's Kursk region, The New York Times reported Tuesday, citing a senior Ukrainian and a senior U.S. official.The Ukrainian official offered no details about casualties, but the U.S. official said a significant number of North Korean troops were killed, according to the newspaper.The engagement was limited, and the North Koreans fought together with a Russian naval infantry brigade, according to the Ukrainian official, the newspa…READ FULL ARTICLE