South Korea's military said on Friday that it suspects North Korea is preparing to send more troops to Russia to fight Ukrainian forces, even after suffering losses and seeing some of its soldiers captured.

South Korea’s spy agency has told lawmakers that two North Korean soldiers captured by Ukrainian forces while fighting alongside Russian forces in Russia’s Kursk border region haven’t expressed a desire to seek asylum in South Korea.

South Korea’s military says it suspects North Korea is preparing to send additional troops to Russia after its soldiers already deployed on the Russian-Ukraine war fronts suffered heavy casualties