North Korea declares it is at war (sort of) with South Korea 30.3.13 North Korea nukes South Korea U.S. and South Korea counter attack (U.S. South Korea alliance treaty) China nukes U.S. and its allies to protect North Korea WW3 Everyone dies from nuclear fallout Ice age starts due to nuclear winter. All life ends Can someone explain why the nutty N.Koreans are being laughed at. Shit could get real here. Anyway heres footage from the latest N.K. nuclear test.