Moon, the submarine expert, said that North Korea may have received Russian technological assistance to build a nuclear reactor to be used in the submarine in return for supplying conventional weapons and troops to support Russia’s war efforts against Ukraine.

Russia has retaken about two-thirds of the territory Ukraine seized last summer in the Kursk region of Russia, but at a fearful cost in lives.

South Korea’s spy agency says North Korea appears to have sent additional troops to Russia, after its soldiers deployed on the Russian-Ukraine fronts suffered heavy casualties.

North Korea has deployed a second batch of 1,500 troops to support Russia’s war in Ukraine, with the soldiers already stationed near the front lines in Russia’s Kursk region, a South Korean lawmaker said on March 5.

North Korea recently sent some 3,500 additional soldiers to Russia's Far East for field training, a South Korean lawmaker said Wednesday, with the possibility of soon being dispatched to the front lines.

Lee Seongmin has become key to Kyiv’s efforts to understand the soldiers sent by Kim Jong Un to fight for Russia.

The psychological warfare to urge North Korean soldiers to surrender in battle has had little effect, according to Ukrainian intelligence Reports of more North Korean troops training for deployment in the Ukraine war have raised alarm in Seoul,

SEOUL -- A former sergeant in the North Korean military says that few of Pyongyang's soldiers have been captured fighting against Ukraine because they're told their families will be executed if they are caught alive.

North Korea is no exception. Reports indicate that Kim Jong-un's soldiers, sent to fight alongside Russia, are learning how to use drones and improve battlefield tactics. This could have serious consequences for the region.

A former North Korean military sergeant has revealed that Pyongyang's soldiers deployed to Russia to fight in Ukraine fear capture more than death, as they are told their families will be executed if they are taken alive.