Declassified - Secretive North Korea lifts veil on arms programme

By Jack Kim and David Brunnstrom SEOUL/WASHINGTON (Reuters) - Ahead of a rare ruling party Congress next month, secretive North Korea is revealing details of its weapons development programme for the first time, showcasing its push to develop long-range nuclear missiles despite international sanctions. Until recently, information on the North's weapons programme was hard to come by, with foreign governments and experts relying on satellite imagery, tiny samples of atomic particles collected afte