North Korea on Thursday threatened to stall the denuclearization of its missile program if the USA continues to abide by an "outdated acting script" amid Washington's calls to enforce sanctions against the regime.
North Korean leader Kim Jong Un with US President Donald Trump. Those followed contentious remarks last week by US Secretary of State Mike Pompeo and North Korean Foreign Minister Ri Yong-ho on the sidelines of a regional forum in Singapore.
"We hoped that these goodwill measures would contribute to breaking down the high barrier of mistrust" between Pyongyang and Washington, the North's Foreign Ministry spokesperson said.
Kim and Trump promised to work to end North Korea's weapons programs at their summit in Singapore, but the two countries have been struggling to reach a detailed accord to meet that goal.
Still, North Korea said it remains steadfast in its commitment to building trust and implementing in good faith the joint statement step by step.
Mr Bolton said Mr Pompeo would be prepared to return to North Korea for talks, but not for more rhetoric.
"As long as the U.S. denies even the basic decorum for its dialogue partner and clings to the outdated acting script which the previous administrations have all tried and failed, one can not expect any progress in the implementation of the DPRK-U.S. joint statement including the denuclearization", it said.
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In another case, black coal imported from North Korea was transferred to the Russian port of Kholmsk, where it was "disguised as semi-coking coal that does not need country of origin documents", before being reloaded on ships heading to the South, the customs office said.
The latest statement by the North's foreign ministry also accused U.S. officials of "going against the intention of President Trump" by "making baseless allegations against us and making desperate attempts at intensifying the worldwide sanctions and pressure".
It will mark the fourth such football match between North and South Korean workers, with the last game taking place in Pyongyang in 2015.
More than 35,000 tonnes of North Korean coal and iron worth 6.6 billion won (US$5.8 million) were imported into the South between April and October previous year, the Korea Customs Service said.
But the details of that process remain vague - North Korea did not commit to unilaterally give up its nuclear weapons and the United Nations says its nuclear programme is continuing.
"They made public the North Korea Sanctions and Enforcement Actions Advisory; and additional sanctions".
Pyongyang's Foreign Minister Ri Yong-ho is now on a visit to Iran where President Hassan Rouhani warned the United States could not be trusted after Tehran's experience of having the Trump administration tear up an Obama-era deal to ease sanctions.