In the report, the United States pointed the finger at China and Russian Federation for continuing to sell refined petroleum products to North Korea. On Tuesday, North Korean state media published several reports about Kim's visit to a rural area near the Chinese border where he provided "field guidance" to potato farmers.
North Korea said Saturday it was seeking the "earliest start of the working-level talks" on the recovery of US remains.
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The repatriation was part of Trump and Kim's agreement last month.More news: Tushar Arothe resigns as India women's cricket coach
Sanctions imposed by the United Nations in December placed a cap on refined oil exports to North Korea at 500,000 barrels annually.
"We had expected that the USA side would offer constructive measures that would help build trust based on the spirit of the leaders' summit. we were also thinking about providing reciprocal measures", Pyongyang's Foreign Ministry said in a statement, according to The Associated Press. Earlier Thursday, after attending the NATO summit in Brussels, he told reporters that there were clear signs of progress with North Korea, most notably that no missile and nuclear tests have occurred for nearly nine months.
The president says he believes the North Korean leader wants to denuclearize, and that he "trusts" him.
In the letter dated July 6, Kim thanked Trump for his "energetic and extraordinary efforts" to improve the once hostile relations between the two countries.More news: Sen. Baldwin won't back Trump's pick for Supreme Court
Trump in a wide-ranging press conference directly after the meeting, said that the North Korean leader had agreed to give up his weapons, and that as evidence of his good intentions, the DPRK would repatriate the remains of POW/MIA soldiers from the Korean war and would decommission a missile engine testing facility.
"Donald Trump often complains about Fake News in the US media".
More than 36,000 US troops died in the three-year war, which ended in an armistice instead of a peace treaty, leaving the peninsula divided by one of the world's most heavily fortified borders.
North Korea has long trumpeted a denuclearization goal, but one that it sees as a lengthy process of undefined multilateral disarmament on the entire Korean peninsula, rather than a unilateral dismantlement of its nuclear arsenal. "Great progress being made", Trump said in a tweet that also included a copy of the correspondence from Kim.More news: Mercedes ignites war of words with Ferrari over British GP incident
While the summit represented a major thaw in relations, US sanctions on North Korea, among the most stringent in the world, will remain in place until the Kim regime implements "final, fully verified denuclearization", US State Secretary Mike Pompeo said last week.