North Korea's state newspaper Rodong Sinmun blamed the United States of "double-dealing" and "hatching a criminal plot" against Pyongyang, after Pompeo's visit was postponed.
"Such acts prove that the US is hatching a criminal plot to unleash a war against the DPRK and commit a crime which deserves merciless divine punishment in case the US fails in the scenario of the DPRK's unjust and brigandish denuclearisation first," the newspaper said.
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The newspaper stressed that US special units in Japan were staging an air drill targeted at "the infiltration into Pyongyang", according to a South Korean media outlet.
"We cannot but take a serious note of the double-dealing attitudes of the US as it is busy staging secret drills involving man-killing special units while having a dialogue with a smile on its face," it noted.
The relationship between the US and North Korea improved in the last months, with North Korean leader Kim Jong-un attending a top-level summit with Trump in June in Singapore.
Though, the US has repeatedly stressed that sanctions against DPRK will remain in place until the communist country attains complete denuclearization.
