Separate Uyghur attacks this month on Han settlers in northwest China have left several dead.
Police in northwest China step up surveillance on Muslims ahead of an important holy day.
Authorities plan to fire hundreds of Uyghur teachers in northwest China.
Uyghurs demand the reversal of a Xinjiang farming policy in China’s capital.
Gheyret Niyaz's family has heard nothing about his case since a court sentenced him in July.