Cohabitation is always difficult on the front line. Putin's armed forces avoid all contact with them, considering them “cruel and devoid of humanity.” Testimonies from Russian prisoners continue to speak of many problems with North Koreans on the front line.

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.

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