<span style="color: #222222;">US Secretary of State Mike Pompeo has sought allied unity in dealing with North Korea. Mr. Pompeo left Tokyo for Pyongyang today after pledging that the US will coordinate with allies Japan and South Korea on efforts to persuade North Korea to give up its nuclear weapons.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">On the eve of his fourth visit to North Korea, U.S. Secretary of State Mike Pompeo met the Japanese Prime Minister Shinzo Abe yesterday. </span><br />'' <br />'' <span style="color: #222222;">Japan has been wary of Trump's initiative, fearing it could affect its long-standing security relationship with the US.</span>