A high-level delegation from South Korea has met with the DPRK leader in Pyongyang. The five officials presented Kim Jong-un with a hand-written letter from President Moon Jae-in. CGTN's Jack Barton has this report from Seoul.

After meeting with counterparts from the D.P.R.K. two members of the South Korean delegation attended a welcome dinner with Kim Jong-un, the first time the D.P.R.K.'s leader has ever met with officials from the South. The head of the delegation says the aim is to broaden diplomacy beyond the scope of the Olympics.

CHUNG EUI-YONG HEAD OF SOUTH KOREA'S NATIONAL SECURITY OFFICE "We will deliver President Moon Jae-in's wish to bring about denuclearisation on the Korean peninsula and permanent peace, by extending the goodwill and better inter-Korean relations created by the Pyeongchang Winter Olympics."

Seoul says that will require Pyongyang and Washington to be on speaking terms.

YOON YOUNG-CHAN SENIOR SOUTH KOREAN PRESIDENTIAL SECRETARY FOR PUBLIC RELATIONS "The delegation will discuss setting conditions for a North Korea-U.S. dialogue on denuclearisation of the Korea Peninsula and improving the relationship between South and North Korea. After they return on the afternoon of March 6th and report on the results, they will travel to the United States to brief officials there on their visit to the North."

President Moon was invited to Pyongyang by Kim Jong-un's sister Yo-jong when she attended the Winter Games opening ceremony though Moon has set communication between the D.P.R.K. and the U.S. as a pre-condition.

JACK BARTON SEOUL "The Olympics provided a diplomatic opening for the DPRK and South Korea after more than a year of escalating tensions over the D.P.R.K.'s nuclear and missile programs, both of which continue despite United Nations sanctions."

President Donald Trump says the U.S.is prepared to talk, but that the D.P.R.K. must show they are prepared to, in his words, 'denuke', a demand Pyongyang state media has labeled 'preposterous'.

But the fact there are now South Korean politicians in Pyongyang holding face to face talks with Kim Jong-un shows that a still fragile diplomacy with the D.P.R.K. is none-the-less progressing faster than anyone could have imagined just a few months ago. Jack Barton, CGTN, Seoul.