US President Donald Trump has mocked North Korean leader Kim Jong-Un as "rocket man" and the young dictator has threatened to rain nuclear destruction on the United States.
Kim Yo Jong cuts a contrasting figure to her brother in North Korea's formal and tightly controlled state propaganda.
Correspondents say the invitation puts Mr Moon in a hard position as he campaigned on a promise to engage with the North, but his moves in that direction go contrary to the wishes of his ally the US.
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According to a Japanese official accompanying Abe on his trip to South Korea, the prime minister demanded in the talks with Kim Yong Nam that North Korea resolve the abduction issue and return all abduction victims to Japan.
Mr Moon, however, maintains it is necessary to keep engaging the North, so as to create an opportunity to resume broader talks to end Pyongyang's nuclear programme.
At the opening ceremonies Friday, Pence sat stone-faced in his seat as Moon and North Korean officials stood together with much of the stadium to applaud their joint team of athletes.
The highest profile member of the North Korean delegation to the Games, she is the first immediate member of the North's ruling family to visit the South since the 1950-1953 Korean war.
Saturday's meeting, the most significant diplomatic encounter between the two sides in more than a decade, could now be surpassed should Moon accept Kim's invitation to visit Pyongyang later this year.
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The order also represents a win for immigrant rights organizations and the states involved in the suit. The judge's decision follows a similar ruling by a federal court in San Francisco last month.
As it turned out, with the two Koreas celebrating a moment of unity, the United States was left outmaneuvered by an adversary and out of step with an ally.
Kim Yo Jong and other North Korean delegates, including the country's 90-year-old nominal head of state Kim Yong Nam, arrived in the South on Friday on Kim Jong Un's private jet and attended the opening ceremony of the Pyeongchang Winter Olympics.
Moon has already put a summit offer on the table.
Pence also has promised the USA will soon unveil "the toughest and most aggressive round of economic sanctions on North Korea ever". They were also served North Korean-style fermented fish and white "kimchi" or fermented cabbage.
"I have not requested a meeting, but we'll see what happens", Pence said during a stop in Alaska.However, he appeared to take a tougher line in Tokyo, saying that North Korea must not be allowed to "hijack the message and imagery of the Olympic Games".
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Aly , meanwhile, has empowering messages written across her body, including the word "survivor" across her chest. Danielle made the announcement on her Instagram account and shared the excitement with her 63,000 followers.
Addressing tens of thousands of troops and civilians assembled on the square below him, Kim said the parade marks North Korea's emergence as a "global military power" despite facing the "worst sanctions". They want peace and unification, but don't believe Kim Jong Un can be trusted. But privately, officials said, Pence expressed concern to Moon about his more conciliatory tone toward North Korea.