The North Korean losses amount to almost 10 percent of the country’s deployment to Russia, the Biden administration said.

North Korean forces are experiencing mass casualties on the front lines of Russia's war against Ukraine, with a thousand of their troops killed or wounded in the last week alone in Russia's Kursk region,

North Korean troops are suffering heavy losses in the fighting in Russia's Kursk region and facing logistical difficulties as a result of Ukrainian attacks, Ukraine’s military intelligence said Thursday.