The U.S. says there will be a "firm response" as Ukrainian forces holding ground in Russia's Kursk region now face North Korean troops "engaging in combat."

South Korean and US intelligence services have confirmed the participation of North Korean soldiers in hostilities in Russia, particularly in Kursk Oblast. Source: ISW Details: South Korea's National Intelligence Service reported on 13 November that North Korean troops were participating in hostilities in Russia,

A week after Ukrainian soldiers clashed with North Korean troops for the first time, 50,000 Russian and North Korean troops are expected to target Ukrainian positions in the Kursk region of Russia in an effort to reclaim some of its territory.