Ukrainian special forces claimed on Monday to have inflicted more than 100 casualties among North Korean forces over three days of operations inside western Russia.

North Korean soldiers fighting for Russia were given fake military documents with Russian names and birthplaces, the Ukrainian military said, amid claims from Kyiv that Russia is trying to conceal the presence of foreign fighters on the battlefield.

South Korea's military has said that North Korea is preparing to continue aiding Russia in its war with Ukraine, despite casualties.

At least 1,100 North Korean soldiers are reported to have been killed or wounded in Russia’s conflict against Ukraine

South Korea's military said on Monday it has detected signs of North Korea preparing to send more troops and weapons, including suicide drones, to Russia to support its war against Ukraine.

North Korean troops have reportedly suffered heavy casualties while fighting for Russia in Ukraine, according to South Korea's spy agency, which also claimed to have detected signs of Pyongyang preparing to send additional soldiers and kamikaze drones to Moscow.

North Korea and Russia are deepening their military cooperation, as Pyongyang ramps up the supply of arms to Moscow for its war in Ukraine and receives much needed cash and oil from the Kremlin in return.

Satellite imagery indicates that North Korea increased its arms production and is boosting supplies to Russia for its war against Ukraine. Approximately 200 ammunition factories in North Korea are currently operating at full capacity.

North Korea demonstrated this year that it could produce ballistic missiles and supply them to Russia for use against Ukraine in a matter of months

Pyongyang's troops fighting alongside Vladimir Putin's forces in Russia's Kursk region are being killed and injured according to the U.S.

Ukrainian President Volodymyr Zelenskyy has revealed that more than 3,000 North Korean soldiers have been killed or wounded while fighting for Russia in