Newsweek, which has been unable to independently verify the allegations, reached out by email on Monday morning to Ukraine's Ministry of Defense and Russia's Foreign Ministry seeking further information and comment.
Thousands of troops from North Korea have come to reinforce Russian forces, including in the Kursk border region where Russia has been clawing back territory after a surprise offensive from Ukrainian forces this summer.
In a statement published on Saturday, the Defense Intelligence of Ukraine (DIU) detailed how Democratic People's Republic of Korea (DPRK) soldiers have recently assisted Russian troops in the Kursk Oblast, which is currently occupied by Ukrainian forces.
New drone videos have been released by Ukraine's military claiming to show North Korean fighters (DPRK) on the front line and the bodies of slain Russian and Korean soldiers stacked together.