"The fact that the U.N. Security Council unfairly puts the issue of our self-defense in the wrong hands... is prompting us to reconsider the crucial preemtive steps we have taken to build trust with the U.S.," a statement attributed to North Korea's foreign ministry spokesman said, according to KCNA.
In a policy speech opening the parliamentary session, Abe said he will take any chance to meet Kim.
'I can confirm that US and DPRK officials plan to meet within the next week. I do not have further details to share on the meeting,' Ortagus said in a statement.
"The relationship is very good," Trump added, but the time was not right for a visit to Pyongyang.
Negotiations between Pyongyang and Washington have been gridlocked since a second summit between Kim and US President Donald Trump in February ended without a deal.
Trump and Kim met again at the inter-Korean border in June and agreed to resume working-level talks, but there has been no known meeting between the countries since then.
South Korea's presidential Blue House said it will hold a National Security Council meeting following the North's latest weapons test.
Talks between Pyongyang and Washington have stalled since a second summit between US President Donald Trump and North Korean leader Kim Jong Un in Hanoi in February collapsed without an agreement.
Trump and Kim had met at the Korean border in late June and agreed to resume negotiations.
The allies have scaled down their major military exercises since the first summit between Kim and Trump in June 2018 in Singapore created space for diplomacy.
Donald Trump claimed Kim Jong un had agreed to give up his arsenal of nuclear weapons and long-range ballistic missiles.
The post is crucial to US and South Korean relations as the allies face North Korea's frequent missile launches amid stalled denuclearisation talks and US-South Korea military exercises.
North Korean leader Kim Jong Un called two missiles fired on July 25 under his personal supervision a "solemn warning" to the South over planned military drills with the United States.
A previous constitution simply called Kim "supreme leader" who commands the country's "overall military force".
This is not the first time Trump has indulged in no-holds-barred praise of Ivanka’s appearance.
The two leaders are said to have met in a surprise meeting at the Demilitarised Zone, that separates North and South Korea
Trump became the first sitting US President to step on North Korean soil.
Trump said he and Kim had a "good relationship" but there was still a long way to go to reach an agreement that would end the North's nuclear programme in return for an end to sanctions and permanent peace on the Korean peninsula.
The Trump-Kim Hanoi summit foundered amid disagreements on what the North would be willing to give up in exchange for relief from sanctions that weigh on its economy.
Isolated North Korea and the wealthy, democratic South are still technically at war after the 1950-53 Korean War ended in an armistice, not a peace treaty.
US-North Korea talks have been stalled since a failed summit in February between Trump and the North Korean leader in Hanoi, Vietnam.
Analysts say that Xi Jinping's journey is intended as a signal to Trump of his influence and backing for Kim Jong Un.
South Korea's Defense Minister Jeong was responding to a question on whether the tests were a violation of a military agreement between South and North Korea last September to halt acts of aggression against each other.
Officials across North Korea extort money from a population struggling to make ends meet, threatening them with detention and prosecution - particularly those working in the informal economy, the UN said in a report.
Trump is expected to discuss concerns about North Korea's nuclear and missile programs with Japanese Prime Minister Shinzo Abe during his stay in Tokyo.