The US State Department said Wednesday that the encounter between Secretary of State Mike Pompeo and top North Korean official Kim Yong Chol, initially scheduled for Thursday, had been shelved for "a later date".
But his reservation was repeatedly cancelled and rebooked on Tuesday, the Chosun Ilbo newspaper reported, until it was cancelled for good.
The sudden postponement came only two days after the US State Department announced Pompeo would meet the North Korean in New York to discuss progress towards denuclearisation and plans for a second summit between President Donald Trump and leader Kim Jong Un.
Trump and Kim held a historic summit in June in Singapore -- the first ever between the two countries -- where they signed a vaguely worded deal on denuclearisation.
Little progress has been made since then, with the two countries sparring over the exact meaning of the agreement.
Despite warm words from Trump since meeting Kim in Singapore, his administration has insisted on maintaining pressure on Pyongyang until a final agreement is reached.
North Korea, which is subject to multiple UN Security Council sanctions over its weapons programmes, warned last week that it would "seriously" consider returning to nuclear weapons development unless Washington lifts the restrictions.
"If there was a problem, it's possible there was a clash between Pyongyang's demand for sanctions to be relaxed even by a little bit and Washington's firm stance that the restrictions will remain," he added.
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