South Korea believes that the North has been secretly enriching uranium at new locations outside its main nuclear site, the country's foreign minister said on Friday, declining to say how many sites there were.
South Korea believes that the North has been secretly enriching uranium at new locations outside its main nuclear site, the country's foreign minister said on Friday, declining to say how many sites there were.
Earlier, a South Korean newspaper cited an unnamed intelligence official as saying that the North was enriching uranium at three or four sites in addition to its main nuclear site in Yongbyon.
"It is a report based on what is still intelligence and let me just say that we have been following this issue for some time," foreign minister Kim Sung-hwan told a press briefing on Tuesday when asked about it.
Kim reiterated South Korean demands that China, the reclusive North's backer, exercise greater influence on its ally "with a clearer voice".
Uranium enrichment could give the North a second source of fissile material for weapons on top of its plutonium production programme at the Soviet-era nuclear programme at Yongbyon, which was frozen under a now-defunct international disarmament deal.
The report of additional uranium enrichment facilities came after Russian foreign minister Sergei Lavrov chided North Korea over its nuclear programme and condemned an artillery attack on a South Korean island that killed four people last month.
Concern over the scope of North Korea's nuclear programme grew after US nuclear expert Siegfried Hecker toured the Yongbyon site in November, where he saw hundreds of centrifuges and was said to have been "stunned" by the sophistication of the programme.
Later that month, North Korea launched an artillery barrage against a South Korean island in what Pyongyang says are disputed waters, triggering concern about a potential conflict that could draw in the United States and China.
Although tension has subsided, Seoul has staged a series of military drills that at one stage involved a US aircraft carrier.
On Monday, South Korea launched a new series of live-firing drills at sea, although these are far away from the so-called Northern Limit Line, the maritime boundary between the countries.
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