Xinjiang has linked violence in its far-western Muslim region of China to ISIS . Top China official says Chinese nationals have fought for the extremist group . Uyghur activists dispute the assertions , pointing to the lack of evidence .
China has linked violence in its far-western Muslim region of Xinjiang to ISIS . Top Xinjiang official says Chinese nationals have fought for the extremist group . Uyghur activists dispute the assertions , pointing to the lack of evidence .