She is concerned over his drastic weight loss.
His lawyers say he was shackled and deprived of food and adequate water.
Muslims attending mosques will be closely watched by neighborhood security teams.
A Uyghur suspect attacks them after he is allegedly tortured in police custody.
Authorities say she tried to incite the public by speaking out.
Ilham Tohti's lawyers are once more denied permission to meet with him.
The incident follows a government campaign screening Uyghurs wearing headscarves and sporting beards.
He had opened a Uyghur-language kindergarten and wanted to open a second school.
His lawyer says he cannot confirm with the authorities on reports about the trial and sentencing.
Four are shot dead after a confrontation with village officials over a woman’s veil, according to police.
They come under suspicion after an escalation of violence in China's Xinjiang region.
A police officer is among the dead in two violent incidents in Aksu prefecture.