North Korea has built sophisticated uranium enrichment facility, US scientist says
The news raise fears that the secretive regime is capable of increasing its atomic programmed despite years of international stress.

Siegfried Hecker, an ex- director of the Los Alamos Nuclear Laboratory, returned last week from a visit to the Yongbyon complex, where he was shown a small-scale manufacturing uranium enrichment facility that was "astonishingly modern" and would "would fit into any modern American dispensation facility".

North Korean officials told him the plant contained 2,000 centrifuges calculated to manufacture uranium for civilian nuclear power, though he completed the centrifuges "could be readily converted to manufacture highly enrich uranium bomb fuel".

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