A North Korean soldier captured by Ukraine has said he used jamming guns to neutralize Ukrainian drones, a South Korean lawmaker who recently met the soldier said Friday, in a rare glimpse into the North's battlefield tactic to aid Moscow's war against Kyiv.

The fresh deployment comes after North Korea suffered heavy casualties on the front lines in Russia’s war against Ukraine, the South’s spy agency says.

Ukrainian troops holding positions in Kursk say the North Koreans have reappeared on the battlefield and become even more formidable foes.

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.

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.

Around 1,500 North Korean soldiers who were believed to be additionally deployed to Russia have been already on front lines to aid Russia's war against Ukraine, a South Korean lawmaker who recently visited Kyiv said Wednesday,