China : North Korea says sanctions over the incident only caused it to bolster its nuclear deterrent . The U.N. Security Council voted unanimously to approve new measures . China will go a long way toward determining whether the new sanctions really do have bite , analysts say . China calls for all leaders to step down but stands behind new U.N. sanctions . North Korea responds with a fresh statement of angry support .
China : North Korea says sanctions over the incident only caused it to bolster its nuclear deterrent . The U.N. Security Council voted unanimously to approve new measures . China calls for all leaders to step down but stands behind new U.N. sanctions . North Korea responds with a fresh statement of angry support .