North Korea has enough material to produce approximately 45 nuclear weapons but does not “yet have the ability to reach the US mainland”, according to a scientist who has observed its facilities. Dr Siegfried Hecker has visited the nation’s Yongbyon Nuclear Scientific Research Center, 90km to the north of Pyongyang, to assess its plutonium programme. He estimates Kim Jong-un possesses 25 to 48kg of plutonium and 650 to 900kg of highly enriched uranium. But Dr Hecker says Kim’s ICBM-class rockets… – Daily Express Photo: KCNA