View of a North Korean factory at the town of Ch'ongsudong-Chung-ni... News Photo2013 North Korean Crisis,Dandong,Factory,Horizontal,Landscape,Liaoning Province,Mountain,North Korea,Politics,Snow,Town,VillagePhotographer Collection: AFP 2013 AFPView of a North Korean factory at the town of Ch'ongsudong-Chung-ni taken from the Chinese town of Hekoucun on February 9, 2013. US Secretary of State John Kerry warned that North Korea's expected nuclear tests only increase the risk of conflict and would do nothing to help the country's stricken people. The country has vowed to carry out a third nuclear test soon, and concerns have been raised over the type of fissile material used in the device. AFP PHOTO/Mark RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)