BEIJING, Oct. 23 (Xinhua) -- Chinese President Xi Jinping has ordered all-out search and rescue efforts for the missing and prompt medical treatment for the injured after a 7.0-magnitude earthquake struck a county in southwest China's Xizang Autonomous Region on Thursday night.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, made the remarks in an important instruction, calling for every effort to minimize casualties.