keywords: nukes korea nuclear beijing explosion
text: Diplomat: Nukes Not Cause of Korea Blast BEIJING - Video footage of the area where North Korea said a huge explosion occurred showed dozens of workers swarming around a dusty construction site resembling a large dam project, while a foreign diplomat who visited the site said Friday he found no sign the blast was nuclear.    South Korea, meanwhile, said a mushroom-shaped plume thought to be from the Sept...