CNN  —  As many as 8,000 North Korean troops are in Russia’s Kursk region and are expected to enter combat against Ukraine in the coming days, top US officials announced Thursday. Secretary of State Antony Blinken, speaking alongside Secretary of Defense Lloyd Austin and their South Korean counterparts in Washington, said the troops have been trained “in artillery, UAVs, basic infantry operations, including trench clearing, indicating that they fully intend to use these forces in frontline