The unannounced meeting at the Panmunjom border village between Moon and Kim came a month after they held the first inter-Korean summit in more than a decade at the same venue and declared they would toward a nuclear-free Korean peninsula.
“The two leaders candidly exchanged views about making the North Korea-U.S. summit a successful one and about implementing the Panmunjom Declaration,” South Korea’s presidential spokesman said in a statement.
Moon, who returned to Seoul earlier this week after a meeting with Trump, will announce details of the meeting with Kim on Sunday morning.
Trump said on Friday that Washington was having “productive talks” with Pyongyang about reinstating the June 12 meeting, just a day after cancelling it.
Politico magazine reported that an advance team of 30 White House and State Department officials was preparing to leave for Singapore later this weekend.