China Radio International's Turkish language service posted a video purporting to show a man who identified himself as Uighur poet and musician Abdurehim Heyit. Turkish sources say the video does not prove he is alive.
Turkish Foreign Ministry says it "expects Chinese authorities to consider Turkish people’s reaction over serious human rights violations."
While curbs on religious practice remain in place in the predominantly-Muslim region of Xinjiang, for Hui Muslims in Beijing, Ramadan allows them to relive centuries-old traditions.
Two Chinese nationals have been arrested and charged for assisting the shooter who killed at least 39 people at a popular nightclub in Istanbul on New Year's.
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