Western officials have told the BBC that North Korean troops have already suffered nearly 40% casualties in the fighting in Russia's western Kursk region, in just three months.

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

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 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.

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,