After nuclear talks between the US and North Korea broke down in Stockholm on Saturday, Pyongyang accused the Trump administration of "misleading" the public by saying the discussions were "good."

North Korea simultaneously warned that if the US did not change its approach by the end of the year, then relations between the two countries "may immediately come to an end."

This came just days after North Korea tested a new submarine-launched ballistic missile in one of its most provocative moves since denuclearization talks began.

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North Korea on Sunday accused the US of "misleading" the public on the status of nuclear talks a day after discussions between the two sides in Stockholm broke down within just hours following an eight-month stalemate.

The North Korean Foreign Ministry said the Trump administration was "misleading the public opinion by touting 'good discussions,'" The Washington Post reported, and it simultaneously warned that if the US did not change its approach by the end of the year, then relations between the two countries "may immediately come to an end."

"We have no intention to hold such sickening negotiations as what happened this time before the US takes a substantial step," a North Korean Foreign Ministry representative was quoted as saying in a state news report cited by The Wall Street Journal.

The talks in Stockholm fell apart after roughly 8 1/2 hours. Following the discussions, the two sides offered conflicting reports on the nature of the dialogue.

North Korea's top nuclear envoy, Kim Myong Gil, on Saturday said the meeting "failed to live up to our expectations and broke down."

Read more: North Korea claims its 'significant' submarine-launched missile test succeeded

In a statement, the State Department said comments from the North Korean delegation "do not reflect the content or the spirit of today's 8 1/2 hour discussion." The statement said the US "brought creative ideas and had good discussions" with its North Korean counterparts.

North Korea evidently disagrees fervently, and just days after it tested a new submarine-launched ballistic missile. The test, which took place Wednesday, was the most provocative missile test conducted by Pyongyang since the denuclearization talks with the US began.

Amid the denuclearization talks, Trump has taken to boasting about what he characterizes as a strong relationship with North Korean leader Kim Jong Un, widely considered one of the most repressive rulers in the world. But their publicly amicable relationship has done little to expedite the nuclear disarmament of the Korean Peninsula, nor have any of their three meetings.

The US has said it's open to returning to talks in two weeks, but North Korea is pushing against resuming discussions as its state news accuses the US of "spreading a completely ungrounded story."

This is not the first time North Korea has pushed against the Trump administration's summary of talks between the two countries — it did so after Trump's second summit with Kim in Vietnam fell apart earlier this year. But it's yet another bump in the road for the Trump administration in the prolonged discussions with the North Koreans on the country's nuclear program and aggressive activities.