The confirmation followed a report from Ukraine's military-focused news outlet Militarnyi on Dec. 26, which first revealed the capture without specifying the date of the incident.

There are risks of North Korea sending additional troops and military equipment to the Russian army,” Zelensky said. “We will have tangible responses to this.”

"Through various sources of information and intelligence, we assess that North Korean troops who have recently engaged in combat with Ukrainian forces have suffered around 1,100 casualties," the JCS said in a statement.

More than 1,000 North Korean soldiers have been killed or wounded in Russia’s war with Ukraine, the South Korean Joint Chiefs of Staff (JCS) said yesterday. The new figure follows a report by Seoul’s spy agency to lawmakers last week, which said at least 100 North Korean soldiers had been killed since entering combat this month.

South Korea's spy agency said Friday it had confirmed that a North Korean soldier sent to back Russia's war against Ukraine had been captured by Ukrainian forces.

Ukraine’s allies have called Pyongyang’s growing involvement in Russia’s war in Ukraine a “dangerous expansion” of the conflict. Seoul’s military believes that North Korea was seeking to modernise its conventional warfare capabilities through ...

The development came days after Kyiv said about 3,000 North Koreans deployed to reinforce Russian troops had been ‘killed or wounded’ so far.

Pyongyang has deployed thousands of soldiers to reinforce Russian troops, including in the Kursk border region.

Ukraine’s President Volodymyr Zelensky said Friday that several “seriously wounded” North Korean soldiers died from their injuries after being captured by Ukrainian forces.

A wounded North Korean soldier captured by the Ukrainian military has died of his injuries, Seoul's spy agency said Friday. Thousands of North Korean troops are believed to have been deployed in Russia's Kursk region to repel a Ukrainian incursion.

North Korean leader Kim Jong Un held a key policy-setting meeting of the country's ruling party last week ahead of the new year, state media KCNA reported on Sunday.