http://www.swissinfo.org/sen/swissinfo.html?siteSect=143&sid=5712617&cKey=1114203933000WASHINGTON (Reuters) - The United States has not seen certain evidence that North Korea is preparing for a nuclear weapons test although it has seen "lots of stuff suggesting interesting activity," a senior administration official said on Friday.
The official, who spoke on condition of anonymity, was responding to a Wall Street Journal Online story, which said the United States had warned China that "North Korea could be preparing for a nuclear-weapons test and asked the Chinese to urge Pyongyang to desist."
"We've seen something that suggests they are talking about (a nuclear test). There has been lots of stuff suggesting interesting activity," the official said. "As far as I can tell it's not definitive."
The official did not know of any warning to China about a possible North Korean test but said the recent activity had "raised some interest within the Bush administration."
Another U.S. official, who also requested anonymity, said North Korea could be near the point of testing a nuclear weapon.
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