North Korea ramps up uranium enrichment, enough for six nuclear bombs a year - experts

By Jack Kim and James Pearson SEOUL (Reuters) - North Korea will have enough material for about 20 nuclear bombs by the end of this year, with ramped-up uranium enrichment facilities and an existing stockpile of plutonium, according to new assessments by weapons experts. The North has evaded a decade of U.N. sanctions to develop the uranium enrichment process, enabling it to run an effectively self-sufficient nuclear programme that is capable of producing around six nuclear bombs a year, they sa