Lee Jin-man, AP / March 26, 2009 A North Korean man walks past near the closed-circuit TV at the border village of the Panmunjom (DMZ) that separates the two Koreas since the Korean War, north of Seoul, South Korea, Thursday, March 26, 2009. South Korea warned Pyongyang on Thursday that a firing long-range rocket would be "a serious challenge and provocation" threatening regional stability, as a report said North Korea is "technically" three to four days away from a launch. (AP Photo/ Lee Jin-man)