North Korea details plans to dismantle nuclear bomb test site

By Christine Kim and David BrunnstromSEOUL/WASHINGTON (Reuters) - North Korea has scheduled the dismantlement of its nuclear bomb test site for sometime between May 23 and 25 in order to uphold its pledge to discontinue nuclear tests, the country's state media reported on Saturday a month ahead of a historic summit.The official Korean Central New Agency said dismantlement of the Punggye-ri nuclear test ground would involve collapsing all of its tunnels with explosions, blocking its entrances, an