On Saturday, Kim Jong-un and Moon Jae-In spoke for two hours on the North Korean side of Panmunjom in the demilitarized zone and discussed how to implement their declaration following their April 27 meeting, as well as the proposed talks between Kim and Trump.

US President on Thursday backed away from his promise and announced he has called off meeting with North Korean leader Kim Jong-un scheduled for next month, citing Pyongyang's "open hostility.