This photo taken on February 27, 2017 shows a Chinese military policeman attending an anti-terrorist oath-taking rally in Hetian, northwest China's Xinjiang Uygur Autonomous Region. Islamic State militants from China's Uighur ethnic minority have vowed to return home and "shed blood like rivers", according to a jihadist-tracking firm, in what experts said marked the first IS threat against Chinese targets. / AFP PHOTO / STR / China OUT (Photo credit should read STR/AFP/Getty Images)
