Ukraine has engaged militarily for the first time with South Korean troops that are supporting Russia in its ongoing war with its neighbor, Ukrainian President Volodymyr Zelenskyy said Tuesday in a nightly address.

Pyongyang's troops have already been fired open in Russia's Kursk region, according to a Ukrainian military official.

North Korea troops in Russia shows Putin is desperate to make up for losses, say G7 - Significant number of North Korean troops headed to the frontline areas, including Kursk, says Seoul