But Pyongyang has said any attempt to shoot down its "for peaceful purpose" satellite would be an act of war and has warned it would quit the stalled six-party aid-for-nuclear-disarmament talks.

然而平壤方面宣布，任何尝试去击落基于“和平目的”卫星的举动将被视为战争行为，并警告会退出致力于核裁军的六方会谈。

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The South has previously said that it will demand that Pyongyang take responsibility for last year's military provocations and promise not to carry out any more attacks.

南方在此前曾发表声明，要求平壤方面对去年的军事挑衅负责，并保证今后不再发生攻击。

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Pyongyang has said it is willing to allow South Korean businessmen to visit the jointly-run Kaesong zone.

BBC: North Korea 'to allow Kaesong managers back'

U.S. experts have described the North's satellite as tumbling in space and said it does not appear to be functioning, though Pyongyang has said it is working.

NPR: SKorea: Satellite Working Normally, Sending Data

Pyongyang has previously said it is willing to restart the six-party talks, which also include China, Japan, Russia and South Korea.

WSJ: U.S. To Meet North Koreans in Beijing