N. Korea: Latest test brings nuke program to "higher level"

SEOUL, South Korea (AP) -- North Korea said it conducted a "higher level" nuclear test explosion on Friday that will allow it to finally build "at will" an array of stronger, smaller and lighter nuclear weapons. It was the North's fifth atomic test and the second in eight months.South Korea's president called the detonation, which Seoul estimated was the North's biggest-ever in explosive yield, an act of "fanatic recklessness." Japan called North Korea an "outlaw nation."North Korea's boast of a