About 50,000 Russian and North Korean troops deployed in Russia's Kursk region are fighting against Ukrainian forces, a senior government official told Kyodo News on Tuesday.The Ukrainian official said fierce fighting has broken out and North Korean soldiers have been killed in some areas, as the United States officially acknowledged for the first time on Tuesday that Pyongyang had sent troops to support Russia's war.As Ukrainian forces have seized control of part of the Kursk region after a cross-border attack, fears are growing that Russia could launch a large-scale offensive to retake it…READ FULL ARTICLE