Nuclear test by North Korea will be 'provocative act:' White House Fri May 6, 3:19 PM ET WASHINGTON (AFP) - The White House warned any nuclear weapons test by North Korea will be a provocative act, as reports suggested an underground nuclear experiment could take place in the Stalinist state. The New York Times said that US officials familiar with satellite and intelligence data believed North Korea was building a reviewing stand and filling in a tunnel, signs of a potential underground nuclear test. "I don't want to get into discussing intelligence matters, but what I would say is that...