North Korean troops are expected to arrive on the frontline in Ukraine within hours to fight for Vladimir Putin, according to Ukrainian military intelligence

"We can be certain [North Korea] will ask for a high price from Russia in return," the British ambassador to the United Nations claimed.

Kim Jong Un has warned that he wants North Korea to develop its "strategic deterrence" in the face of what he called the "ever-increasing threat" of America's nuclear arsenal. The message comes amid escalating tensions on the Korean Peninsula,