Pompeo, who was carrying out the first meeting between the usa and North Korea since Mr. Trump met with Kim Jong Un in Singapore last month, would not reveal any details on the progress he said was made.
'However, the attitude and stance the United States showed in the first high-level meeting (between the countries) was no doubt regrettable.
When asked if he got any closer to setting out a timeline to denuclearize, Pompeo said, "I'm not going to get into details of our conversations but we spent a good deal of time talking. and I think we made progress in every element of our discussions".
Nauert on Saturday told reporters that Pompeo did not meet Kim during this visit to North Korea but also that they had not expected him to. Running more than 1,200 words in an official English-language translation released on the state-run Korea Central News Agency, it may offer the most comprehensive signal yet of how Pyongyang views the possibility of abandoning its nuclear weapons.
The North's statement, coming so soon after Pompeo's trip, was sure to fuel growing scepticism in the United States over how serious Kim Jong-un is about giving up his nuclear arsenal.
Pompeo said the two sides agreed to hold discussions on July 12 on repatriation, and also discussed "modalities" for the destruction of a missile engine testing facility.
North Korea says it is disappointed with the way the US has conducted itself in bilateral discussions, saying that the progress made at last month's historic summit in Singapore is in danger of being eroded.
Mr Pompeo, who spoke with Mr Trump, national security adviser John Bolton and White House chief of staff John Kelly by secure phone before starting Saturday's session, replied that he "slept just fine".
Speaking privately, USA officials suggested the harshly-worded North Korean reaction was a negotiating tactic.
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North Korea, however, slammed the US for making "rapacious" demands during the talks.
"These are complicated issues but we made progress on nearly all of the central issues", he told reporters on Saturday on the airport tarmac before leaving Pyongyang, following his third visit to North Korea. "(It) will take place at the border and that process will begin to develop over the days that follow", he said as he boarded his plane for Tokyo.
The secretary has come under increasing pressure to produce results, with Trump having touted the summit as a game-changing moment that eliminated North Korea's nuclear threat.
Kim Yong Chol then said that there were still issues that needed to be made clear.
Citing multiple diplomatic sources, Kyodo News reported that a team of North Korean diplomats has been sent to Geneva, Bern and Davos to look at conference halls and hotels as potential venues for its denuclearization talks with the US.
Pompeo's now in Tokyo, where he will brief officials from Japan and South Korea on Sunday. Pompeo and Kim Yong Chol, a top adviser to the country's leader and a former spy chief, exchanged pleasantries Saturday after having had a cordial and relaxed meeting Friday night, but the us secretary of state didn't seem pleased with Kim's forwardness.
However, he emphasized that the North still has trust in U.S. President Donald Trump, apparently hinting that Pyongyang wants to keep the ongoing denuclearization talks on track. "Some places a great deal of progress".
"We talked about what the North Koreans are continuing to do and how it's the case that we can get our arms around achieving what Chairman Kim and President Trump both agreed to", Pompeo said. And, he and other US officials said the two countries, still technically at war after the 1950-53 Korean War, had set up working groups to deal with details of an agreement.