Seoul's top security adviser Chung Eui-yong was reportedly due to hold a phone conversation with his US counterpart John Bolton on Monday evening, Korea time.
It also has "surveyed, confirmed and reported ballistic missile activity sites and found evidence of a consistent trend" by North Korea "to disperse its assembly, storage and testing locations", the report said.
Kim Jong-un's younger sister and trusted confidante has been "elected" to North Korea's rubber-stamp parliament while the leader himself was absent from the ballot for the first time.
Japan's government says at least 17 citizens were abducted by North Korea.
When Raddatz asked about Trump's comment that he would be surprised if Kim Jong-un did anything that was not consistent with their understanding, Bolton acknowledged that he would not react the same way. "That would have put us in a position - a very hard position - of essentially subsidizing what would potentially be ongoing development of weapons of mass destruction in North Korea". His remark came days after a senior State Department official told reporters Thursday, "Nobody in the administration advocates a step-by-step approach".
In the interim, the official said, the administration's maximum pressure through sanctions policy will "be maintained and, if the president decides, the sanctions will be increased".
"One of the ways that we've convinced North Korea to move towards denuclearization is to reduce the amount of energy that they can import, and those sanctions that the United Nations put in place alongside of us have made a material difference", he told WBAP Morning News.
Rhee Dong-yeol, director general of the foreign ministry's Korean Peninsula peace regime bureau, plans to meet with Alex Wong, deputy assistant secretary of state for North Korea, in Washington, D.C. on Thursday (local time).
He said both North Korea and the USA must restrain themselves to keep diplomacy alive and start unofficial contacts to resume talks. Japanese officials have observed North Korean ships engaging in purported ship-to-ship transfers.
Sources say the two discussed the North Korea-U.S. summit and possible follow-up measures.
"In other countries they select and vote for candidates from different parties with different political views", Ri said.
Cho Han-bum at the Korea Institute of National Unification said, "Kim Jong-un resorted to the old slogan to control public sentiment, which has been affected by the continued sanctions".
Any launch would send the stuttering talks on denuclearisation into disarray, after a high-stakes second summit between Donald Trump and Kim Jong Un collapsed last month without a deal. You were going to war, folks, whether you know it or not.
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