"The discussions are just getting started, so we are still waiting to see how they come out, but depending on their outcome, the president [Moon] could join President Trump and Chairman Kim in Singapore," a high ranking official from the South Korean presidential office told the Yonhap news agency.
Later that day, South Korean National Defense Ministry spokeswoman Choi Hyun-soo said, echoing these words, that Seoul is ready to hold general-level negotiations with the North on military issues at any time.
"We are ready to do it anytime… If a relevant decision is made at the high-level negotiations, military talks are expected to be promoted," Choi told a briefing, as quoted by the Yonhap news agency.
Meanhwile, North Korean authorities still have doubts whether the country can trust US promises to provide Pyongyang with security guarantees in case of full denuclearization of the Korean Peninsula, South Korean President Moon Jae-in said on Sunday.
However, South Korean President emphasized on Sunday that it was necessary to establish a direct hotlne betwen the countries.
“The hotline allows making and receiving calls immediately. Such a hotline has recently been established between South Korea and North Korea. We believe that it is necessary to establish a hotline between North Korea and the United States,” Moon said at a press conference on Sunday.
North Korea’s state-run news agency KCNA said tunnels of the underground facility were collapsed and all structures were exploded "in order with transparency" as Chinese, Russian, UK, US and South Korean reporters looked on.
On June 12, Kim and Trump are going to hold the summit in Singapore as part of the ongoing easing of tensions on the Korean Peninsula. On Thursday, the White House released Trump's letter informing Kim that he was canceling their meeting in Singapore but later the US president said that the summit was still going to be held.