The White House says that this is no time to return to the six party talks on North Korea.
The North promised New Mexico Governor Bill Richardson, on an unofficial visit, to allow in inspectors to make sure it is not processing highly enriched uranium.
White House spokesman Robert Gibbs says the US is looking for more.
SOUNDBITE: White House spokesman Robert Gibbs, saying (English):
"We're not going to get a table in a room and have six-party talks just for the feel-good notion of having six-party talks. When and if the North Koreans are ever serious about living up to their obligations, then we can think about restarting six-party talks. But the belligerent actions that the North Koreans have demonstrated over the past many weeks I don't think provide anybody the confidence that they are even remotely ready to resume in a responsible way those talks."
China is urging South Korea, the US, Russia and Japan to restart the talks, but South Korea's allies have refused until Pyongyang gives a firm commitment on nuclear disarmament.
Chinese Foreign Ministry Spokeswoman Jiang Yu.
SOUNDBITE: Chinese Foreign Ministry Spokeswoman Jiang Yu, saying (Mandarin):
"We believe that there will be no trust without communication. And no problem can be solved without consultation. Communication does not mean that one yields to the other. It means that everyone takes on responsibility together. The current situation shows to the leaders of the six-party talks the urgency and necessity of consultation."
North Korea walked out of the six-party talks in April 2009.
Last month four South Koreans were killed when the North shelled an island