SEOUL (Reuters) - A huge explosion rocked North Korea near the border with China three days ago, producing a mushroom cloud that sparked speculation Pyongyang might have tested an atomic weapon, Yonhap news agency reported on Sunday.
Yahoo
CNN
Reuters
CNN: The U.S. official said the cloud could be the result of a forest fire.
In all the forest fires we've had in the US... how come none have made a huge mushroom cloud or left a blast crater?