North Korea May Plan 2nd Nuclear Test

SEOUL, South Korea - Satellite images indicate North Korea appears to be getting ready for a second nuclear test, officials said Tuesday, as the defiant communist regime held huge rallies and proclaimed that U.N. sanctions amount to a declaration of war.

China, the North's longtime ally and biggest trading partner, warned Pyongyang not to aggravate tensions in the wake of U.N. condemnation of its Oct. 9 atomic blast. And U.S. nuclear envoy Christopher Hill told reporters in Seoul that another nuclear explosion would be "a very belligerent answer" to the world.

As the White House acknowledged that the isolated nation might try a second test, Secretary of State Condoleezza …