North Korean leader Kim Jong-un said on the same day he wishes China will make greater achievements in the construction of socialism with Chinese characteristics in the new era.
"Even when US President Donald Trump said he was ready to meet with North Korean leader Kim Jong-in and settle all the problems, US presidential administration officials rushed to say that further pressure on Pyongyang was needed as it had backed down", he said in an interview with the Vietnamese and Japanese media ahead of his visits to these countries.
In his first State of the Union address in January, Trump condemned "the cruel dictatorship" in Pyongyang over its human rights record, including its treatment of Otto Warmbier, a University of Virginia student who died past year soon after his release from North Korea in a coma following more than 17 months' imprisonment. That means a hastily assembled team of officials and "experts" on North Korea who can get the leadership prepared for negotiations.
Sweden functions as a protecting power in North Korea for a number of countries, handling consular responsibilities there for the U.S.
Moon initially found little room to maneuver diplomatically.
Trump and Moon - who encouraged the talks - have agreed that "concrete actions, not words will be the key to achieving permanent denuclearization of the Korean peninsula", according to a White House statement.
The first credit goes to Moon Jae-in. Then in November, a North Korea soldier fled across the demarcation line in another attempted defection.
The Winter Olympics in Pyeongchang, South Korea, would prove to be a major opportunity. "North Korea summit expected in May".
Niklas Swanstrom of the Stockholm-based Institute for Security and Development Policy said the meeting between the two foreign ministers would only be preliminary to higher-level talks but they could give an indication of North Korea's interests and demands.
His response triggered a race to set a credible agenda for what would be historic talks between the two leaders.
During a July visit by a group of media, a United Nations guard wearing aviator glasses instructed the group on taking photos of the North and South Korean guards.
China supported North Korea during the 1950-1953 Korean War, and has since regarded it as a strategic buffer against South Korea, where the USA military stations some 28,500 troops. The rivals agreed to march together to open the games and to field their first joint Olympic team in women's hockey.
During the visit, Moon will attend a summit with his Vietnamese counterpart Tran Dai Quang, and meet other government leaders, including General Secretary of the Communist Party Nguyen Phu Trong.
"Officials from the United States and the Republic of Korea held discussions and are expeditiously negotiating amendments and modifications to the Korus agreement", US Trade Representative office spokeswoman Emily Davis said late on Friday.
"But, I think the North Korean leader would also need some time, given the readiness with which President Trump has accepted the invitation to talks".
"The world is paying attention", Moon told advisers Monday.
A North Korean army officer shows visitors the demilitarized zone at Panmunjom, running along the 38th parallel that divides the Korean Peninsula into north and south, in 2007. The pair met Saturday at the Foreign Ministry in Stockholm as scores of reporters waited outside in sub-zero temperatures.
It defends the programmes as a necessary deterrent against perceived plans by the United States, which stations 28,500 troops in South Korea, a legacy of the Korean war, for invasion. "It was an extremely courageous decision on the part of President Trump". It's a site where the North and South have occasionally engaged in talks.
It is unclear if Xi is also considering such a summit.
"The main focus for the talks was the security situation on the Korean Peninsula", Wallstrom said.