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 were killed or injured in last week alone in Russia’s Kursk region, according to White House

North Korean soldiers considered by Russia to be "expendable" are carrying out massed, dismounted assaults against Ukrainian positions which he said "haven't really been all that effective", the White House National Security Council spokesperson has said.