The officials, who spoke on grounds of anonymity, said that out of the estimated 11,000 troops sent from North Korea, known as DPRK (Democratic People's Republic of Korea), 4,000 were battle casualties.

The North Korean troops fighting for Russia are highly trained and will stop at nothing to avoid surrender, Ukrainian sources tell Sam Kiley, The Independent’s World Affairs Editor, in Sumy

Ukrainian forces described a different kind of enemy, fighting with unfamiliar tactics and little option to retreat.

Ukraine's Special Forces say they killed 21 North Korean soldiers, show combat footage Kyiv court arrests three senior officers accused of failed defense of Kharkiv Oblast Russia lacks manpower for major breakthrough in Ukraine,

The Special Operations Forces of the Armed Forces of Ukraine published a report on the assault by North Korean soldiers on Ukrainian positions that took place in the Kursk region. Intense fighting lasted several hours,

The Special Operations Forces of the Armed Forces of Ukraine published a report on the assault by North Korean soldiers on Ukrainian positions in the Kursk region. Intense fighting lasted several hours,

The report highlights that North Korean soldiers have developed unique battlefield tactics, such as using a soldier as bait to shoot down drones or detonating grenades, holding it under the neck with one hand on the pin when the Ukrainian military approaches to avoid capture when severely wounded.