Police detain a Beijing - based scholar known for his criticism of China 's policies in Xinjiang . 30 officers raided his house and seized computers , bank cards and his passport , wife says . The arrival in Xinjiang of waves of Han Chinese people over the decades has fueled tensions with the Uyghurs . State Department official Ilham Tohti was taken into custody with at least 6 students . His arrest ` ` part of disturbing events , '' wife says .
Police detain a Beijing - based scholar known for his criticism of China 's policies in Xinjiang . 30 officers raided his house and seized computers , bank cards and his passport , wife says . State Department official Ilham Tohti was taken into custody with at least 6 students . His arrest ` ` part of disturbing events , '' wife says .