Uyghur Muslims face stricter controls on religion than Hui Muslims.
Authorities in China's Henan province hold several Uyghurs who protested after a man lifted a Muslim girl's veil.
Bloody violence erupts after a Han Chinese lifts the veil of a Muslim Uyghur girl in central China.
Uyghur businessmen fear unequal treatment in compensation for lost goods.
A World Uyghur Congress official labeled a terrorist in China is allowed into the US after more than a decade.
Chinese security personnel are out in force across Xinjiang in preparation for a sensitive meeting of top party lawmakers.
The group says China is seeking to isolate Uyghurs from the international community.