Support WBURKim Jong Un Pledges To Shut Down Main Nuclear Test Site In May, South Korea SaysJames DoubekMiles ParksApril 29, 2018 ShareNorth Korea's leader Kim Jong Un (left) and South Korea's President Moon Jae-in walk on a bridge at the truce village of Panmunjom Friday. South Korea says Kim told Moon of the plan to shut the test site. (AFP/Getty Images)