Pompeo said he insisted to Kim that a "robust verification" by inspectors would have to be part of any deal to ensure that Kim had "fully denuclearized".
Kim had revealed plans to shut down the country's northeastern testing ground by the end of May during his summit with South Korean President Moon Jae-in last month. "I think you probably broke the all-time in history television rating for 3 o'clock in the morning", he said.
Trump has shown great enthusiasm for signing an official peace treaty with North Korea, a gesture that he has said would be good for everyone.
The top US diplomat said the release of three American detainees set the conditions for a successful summit between the USA and North Korea. Trump said on Twitter.
"I think this will be a very big success". He has said he is willing to "denuclearize" the Korean peninsula, but it is not clear he means what Washington means. Trump then emerged from the plane, followed by the three men. "We have the location set", he said.
President Kovind Visits Siachen Base Camp With Army Chief Bipin Rawat
Addressing the troops, Kovind said that as the president, he was "carrying the gratitude of the". Siachen has been militarised since 1984 and is called as the highest battlefield in the world.
Trump had demurred on how likely their return was, telling reporters on Tuesday "we'll all soon be finding out".
The three former detainees issued a joint statement on Wednesday thanking Trump for their release.
Mr Pompeo said the U.S. aim was clear - "to ensure that North Korean doesn't possess the capacity to threaten, not only the United States but the world, with nuclear weapons".
Yeats wins his first stage and increases his lead
Weaving along next to snow banks, Masnada came into view of the peloton and ended the final possibility of a breakaway stage win. He has a 32-second lead over team-mate Esteban Chaves in second, with Team Sky's Froome at least two minutes back.
"Now that North Korea has accepted in principle that agreements should be verified, US negotiators should hold them to this standard for any subsequent agreement", said Adam Mount, a senior defense analyst at the Federation of American Scientists.
"It will make it more hard for Kim Jong Un to deny inspections now that he has placed them on the table". More than a dozen abductees still remain missing, according to the Japanese government.
-North Korea summit to be held in Singapore on June 12, in response to a request by Prime Minister Shinzo Abe.
He described his conversations with Kim as "warm" and said both had tried "our best to make sure that we were communicating clearly and had shared understanding about what our mutual objectives were".
Singapore will provide a neutral backdrop for the summit, avoiding some of the security and political challenges of meeting in the Demilitarized Zone that separates North and South.
Chidambaram black money chargesheet Congress' 'Nawaz Sharif moment': BJP
Earlier on Friday, the Income Tax Department had filed four criminal cases against the former finance minister and his family. Sitharaman also asked if Congress president Rahul Gandhi would investigate the issue involving his party's senior leader.