North Korea will close nuclear test site in May, South says

North Korea will close nuclear test site in May, South says  CNN North Korea Vows to Shut Down Nuclear Test Site, Seoul Says  Wall Street Journal North Korea nuclear test site to close in May, South Korea says  BBC News As Two Koreas Talk Peace, Trump's Bargaining Chips Slip Away  New York Times N. Korea to close nuke test site in May, unify time zone  Washington PostFull coverage