Over 3,000 North Korean soldiers have been killed or wounded fighting against Ukraine's incursion in Russia's Kursk region, according to Ukrainian President Volodymyr Zelensky.
Key Points
Over 3,000 North Korean soldiers killed or wounded in Kursk region
Pyongyang sent troops to reinforce the Russian military
Ukraine mounted a shock border incursion in August
Risks of North Korea sending additional troops and military equipment to the Russian army