North Korean leader Kim Jong Un has paid an emotional tribute to soldiers who have died fighting for Russia in its war against Ukraine, saying his ‘heart aches’ in a rare admission of military losses.

North Korean leader Kim Jong Un held a ceremony to honor the country's troops deployed to Russia, state media reported Friday, calling them "great heroes and great patriots."

SEOUL (Reuters) -North Korean leader Kim Jong Un lauded "heroic" North Korean troops who fought for Russia in the war against Ukraine, in a ceremony decorating soldiers of the army's overseas operation,