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

North Korea and Russia's deepening military relationship has sounded alarm in South Korea and the United States.

North Korea is likely preparing to send additional troops to Russia after suffering heavy losses in battles against Ukrainian forces, South Korea's military said Friday.

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.

North Korea may be accelerating plans to send more troops to replace frontline casualties incurred fighting Ukraine on behalf of Russia.

North Korea's Supreme Leader Kim Jong Un reportedly sent nearly 10,000 to 12,000 troops to aid the Russian invasion of Ukraine in the Kursk region in October