North Korean Foreign Minister Ri Yong Ho, left, is greeted by his Chinese counterpart Wang Yi in Manila, Philippines, Aug. 6, 2017. (AP/Bullit Marquez)

China: “We Will Prevent A North Korea Regime Change”

Beijing has expressed frustration with both Pyongyang’s repeated nuclear and missile tests and with behavior from South Korea and the United States, such as military drills, that it sees as escalating tensions.