North Korea has sent about 200 units of long-range artillery to Russia and is likely to send more troops and weapons to support Moscow's war against Ukraine, the South Korean news agency Yonhap News reports.

North Korea has treated hundreds of Russian soldiers injured in Ukraine, Moscow’s ambassador to Pyongyang told state media, as he revealed new details of the reclusive state’s backing for the Kremlin’s war effort.

North Korean soldiers previously fighting alongside Russia's army on the Kursk front line appear not to have been engaged in combat since mid-January, South Korea's spy agency told AFP on Tuesday, after Ukraine claimed they had been withdrawn following heavy losses.

North Korea supplies Russia with troops, artillery, and ammunition, raising concerns about advanced military technology transfer.

North Korea has given Russia 200 long-range artillery pieces, a South Korean defence ministry official told AFP on Tuesday, as Moscow and Pyongyang deepen their military ties.

The Russian soldiers would be treated in North Korean medical facilities, said Matsegora, Moscow's longtime diplomat to Pyongyang.

North Korea has supplied Russia with 200 long-range artillery pieces and could send even more troops and weapons to aid Moscow’s war in Ukraine, South Korea’s defense ministry warned on February 11. The development was reported by to Yonhap News Agency.

Russia has sent experienced soldiers to North Korea, officially for treatment. However, analysts suggest that the real purpose is the exchange of military experiences. The Russian ambassador to North Korea,