Two players, one South Korean and the other North Korean, appeared on the opening ceremony and climbed stairs together with the Olympic torch that they handed to Olympic champion figure skater Yuna Kim.
According to journalists in Pyeongchang for the ceremony, it's unclear what the two impersonators were doing, but they apparently made a scene.
Meanwhile, North Korea's main newspaper Rodong Sinmun said in its Monday edition that the delegation has returned to Pyongyang, adding that the trip "served as a significant occasion in improving relations between the North and the South and setting up a peace environment on the Korean Peninsula".
Almost 500 North Koreans have arrived in South Korea for the Olympics, which run until February 25.
They have shared kimchi and soju, sat in the same box at the Olympics opening ceremony and cheered a unified women's ice hockey team.
In Thursday's performance, the group sang a song with alternate lyrics asserting a claim over a pair of islands at the center of a territorial dispute between South Korea and Japan.
Moon responded that he would try to make it happen, the spokesman said.
"We should firmly keep in mind any talks where denuclearisation is not a precondition only buy North Korea more time to complete its nuclear capabilities while they fool us with their peace offensive facade", said Chang Je-won, spokesman for the Liberty Korea Party.
United States calls on Russian Federation to help enforce pause in Syria violence
Eastern Ghouta is supposed to be one of four "de-escalation zones" declared past year in a bid to reduce the bloodshed. All throughout Syria, except in areas firmly under the government's control, the violence has escalated precipitously.
"We've faced a lot of complaints from restaurant operators that we are threatening their livelihood", he said.
Kim Yo Jong was always close to her father, and after returning from Switzerland, she was appointed to positions of responsibility in the government, according to Michael Madden, who runs the blog North Korea Leadership Watch.
Park Young-sun, a 45-year-old South Korean public servant, said she was pleased to see Kim Yo Jong at Saturday's hockey game, which she called it a "great lesson for my children". He also urged North Korea to engage in talks with the United States. One can imagine North Korea continuing to use this strategy throughout the Olympics to promote its own narrative. Originally, the seating plan showed Pence, with his wife to the left and Moon to his right, seated across the round table from Kim, who was nestled between UN Secretary General António Guterres and International Olympics Committee President Thomas Bach's wife.
"I was encouraged by the affirmation of our alliance and our common goal, from both (Japanese) Prime Minister Abe and President Moon", Pence said.
"I don't think there is much to expect in the inter-Korean relations unless there is improvement in relations between North Korea and the United States", said Kim Yong Hyun, a professor of North Korean studies at Dongguk University in Seoul.
Pence's tweeted day-after position: "The U.S. will not allow the propaganda charade by the North Korean regime to go unchallenged on the world stage". The four missiles, atop nine-axled launchers, have the projected range of more than 8,000 miles, putting the U.S. East Coast in its range.
It's not hard to get the message sent by the parade - North Korea is a country to be counted with.
Just days into the 2018 Winter Olympics, it is clear that it will be remembered as much for political gymnastics as sporting prowess.
Moon said the emotional damage sustained by the victims can not be resolved through simple exchanges between governments and that both South Korea and Japan should continue efforts to heal their wounds, Blue House spokesman Kim Eui-kyeom told a briefing.