China is asked to explain thousands of cases of disappeared Uyghurs.
Family members of an imprisoned Uyghur who fasted in protest say his life is in danger.
Beijing authorities question an outspoken Uyghur professor whose website the state media calls ‘separatist.’
Uyghurs are punished for religious activities deemed illegal by the authorities.
The fresh sentences come as Uyghurs chafe under an ‘iron fist’ campaign during Ramadan.