WASHINGTON/SEOUL The United States called on China on Thursday to end "business as usual" with its ally North Korea after Pyongyang defied world powers by announcing it had tested a hydrogen bomb.
U.S. Secretary of State John Kerry said he made clear in a phone call with Chinese Foreign Minister Wang Yi that China's approach to North Korea has not succeeded.
02:52 China says understands South Korean need for security, still opposes missiles22
08:55 North Korea says Malaysia can’t be trusted to investigate the killing of leader’s half brother17
16:26 South Korea accuses North Korea of Kim Jong Nam assassination18
15:04 Malaysia Seeks to Question 7 in Killing of Kim Jong-nam20