South Korea's military suspects North Korea is preparing to send more troops to Russia to fight Ukrainian forces, following reports of heavy casualties among North Korean soldiers due to a lack of modern combat training.

One shouted ‘General Kim Jong-un’ before taking his own life as Kyiv’s Special Operations Forces (SOF) closed in, according to the commander.   Puls, who spoke under a codename, and his comrades in the 1st Combat Divers Battalion have been fighting troops from the Democratic People’s Republic of Korea (DPRK) after the ‘brainwashed’ soldiers were flown more than 4,

North Korean troops, largely special ops forces, have suffered high casualties in bloody assaults not unlike other units, including prison units.

A Ukrainian news outlet has published a video showing the capture of a North Korean soldier, as South Korea's spy agency said Kim Jong Un has pulled troops from Russia's Kursk region. Newsweek has contacted the Russia's Foreign Ministry for comment.

The commander described the North Korean troops as "cannon fodder" and said their behavior in combat was erratic.

One Ukrainian special forces soldier shares details of how his team captured the North Korean, giving an insight into the North Korean mindset.