3:36newsMay 28, 2018US diplomats in North Korea for summit negotiationsThe diplomats' arrival came after President Trump canceled the summit with North Korea and after a surprise meeting between Kim Jong Un and South Korea's Moon Jae-in.Up Next in newsTrump: 'We're talking' with North KoreaMay 25, 2018North Korea issues threat amid summit jittersMay 24, 2018Trump cancels North Korea summitMay 24, 2018