Ukrainian President Volodymyr Zelenskiy said on Monday that more than 3,000 North Korean soldiers have been killed and wounded in Russia's Kursk region and warned that Pyongyang could send more personnel and equipment for Moscow's army.

A thousand North Korean troops have been killed or wounded in the last week fighting in Ukraine, the US has said. White House National Security Council spokesman John Kirby told reporters that Russia was deploying “human waves” of North Korean soldiers,