Pyongyang, May 9: US Secretary of State Mike Pompeo on Wednesday arrived here in North Korea, amid growing speculation over the possible release of three US detainees, to prepare for the historic talks between Kim Jong-un and President Donald Trump. Pompeo’s arrival coincided with the first trilateral summit between Japan, China and South Korea, who endorsed the agreement signed by Pyongyang and Seoul to achieve complete denuclearisation and long-term peace on the Korean Peninsula, Efe news reported. Ahead of the surprise visit, the US Secretary of State said he hoped North Korea would “do the right thing” and release three Americans imprisoned in the country.