Ukraine's president accused North Korea on Thursday of deploying officers alongside Russia and preparing to send thousands of troops to help Moscow's war effort, although NATO's chief said there was no evidence of Pyongyang's presence at this stage.

When Ukrainian soldier Ihor Shyshko described his two years of detention in Russia alongside 72-year-old U.S. citizen Stephen Hubbard, three words came to mind: torture, humiliation and hunger. After being held incommunicado for two and a half years,

Ukraine says North Korean military engineers have been sent to Russia to check how well missiles are launching.