Secretary of State Antony Blinken warned Wednesday that NATO is planning a "firm response" to North Korean participation in the Russian invasion of Ukraine.

North Korean soldiers have engaged in combat operations against Ukraine alongside their Russian allies, South Korea's spy agency said on Wednesday. Seoul's confirmation comes amid growing global criticism as the two countries strengthen military ties,

North Korean soldiers, who were previously sent to Russia, are now in Kursk Oblast and are "already engaging in combat" operations against Ukraine. Source: Yonhap, citing South Korea's spy agency Details: The intelligence service reported that "North Korean soldiers dispatched to Russia have moved to Kursk Oblast over the past two weeks and their deployment to battlefields has been completed".