North Korea appears to have restarted reactor at plutonium facility: satellite - Satellite images suggest that North Korean authorities have restarted the reactor at the Yongbyon plutonium production site, leading the West to wonder if the country is actively pursuing development of a nuclear weapon.

http://www.washingtontimes.com/news/2013/sep/12/north-koreas-restarted-reactor-yongbyon-satellite/