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,

The analysts also suggested that production of the M-1989 Koksan howitzer could now be taking place in Russia. Defense Express said a single photo doesn’t provide enough evidence to gauge the full scale of potential artillery transfers to Russia,