North Korean leader Kim Jong-un was optimistic about holding "sooner or later" another summit with US President Donald Trump, state media reported on Monday.

Kim expressed satisfaction over the "productive" meeting he had in Pyongyang US Secretary of State Mike Pompeo on Sunday, to whom he explained his "proposals for solving the denuclearization issue", the Korean Central News Agency said in its report. On his return from Pyongyang, Pompeo, for his part, said during a meeting on Sunday in Seoul with South Korean President Moon Jae-in that the talks had been "good and productive", adding that progress was made in denuclearization issues and that they had talks about holding "at the earliest date possible" a second US-North Korea summit, reports Efe news.