3 leaders of Hong Kong groups advocating "independence" detained: police

In this file photo taken on June 30, 2017, Joshua Wong Chi-fung (front) speaks during an interview in front of the Hong Kong Special Administrative Region (HKSAR) government headquarters in Hong Kong, south China. Three leaders of political groups advocating "Hong Kong's independence," Joshua Wong Chi-fung, Agnes Chow Ting and Andy Chan Ho-tin, have been detained, Hong Kong police confirmed Friday. (Xinhua)