The Chinese state media released a video that appears to show a Uighur musician who was previously reported dead in a postponed camp.
The video dated February 1
Earlier Turkey called on China to close camps following reports of his death.
Some Uighur saw the authenticity of the video.
Nury Turkel, chair of the US-based Uyghur Human Rights Project, told the BBC that some aspects of the video were "suspicious".
Uighurs is a Muslim-speaking Turkic minority based in the northwest of the Xinjiang region of China, which came under the tremendous surveillance of Chinese authorities. Their language is close to Turkish and a significant number of Uighurs have fled Turkey from China over the years.
What's in the video?
The video was released by the Turkish-language service of China Radio International, which tells Turkey The criticism of China has no basis.
Thus, Mr Heyit appears to have claimed that he was "in the process of investigation because of alleged" national violations. "
What does Turkey say?
Foreign ministry said
Foreign Ministry spokesman Hami Aksoy told reporters that Mr Heyit's death reports "reinforced the Turkish public reaction to serious human rights violations in Xinjiang."
"The commencement of concentration camps in the 21st Century and the systematic assimilation policy of Chinese authorities against the Uighur Turks is a great shame for humanity," Mr Aksoy says.
He called on UN Secr
Hidden camps of China
How unusual is the Turkish standpoint?
[baguhin | baguhin ang batayan] Today, some countries in most Muslims participate in public international condemnation of allegations. The analysts say that fear of retaliation in politics and economy from China.
However, Mr Turkel said the release of the video showed that the Chinese government responded to public pressure.
"The Chinese government responded to Turkey because of its influence on the Muslim world," he added, adding that UN Secretary-General Antonio Guterres was "quietly silent" in the issue of detention in Xinjiang.
"The ball was in the Chinese government's court, they stopped Heyit.% Of the Uighur population They try to tell the world that there is no abuse and they are called vocational training centers of responsibility to prove the video is real, "he said.
Mr Turkel said the Chinese government has the ability to doctorate video because of its "benefit technology".
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"With today's technology it's possible to create a video presentation.
What do we know about the fate of Heyit?  Amnesty International said that he was very concerned about his death reports.
He was a famous player of Dutar, a musician in Beijing and then held in national arts troupes.
The restraint by Mr. Heyit was recorded from a song he made titled fathers It takes its lyrics from a Uygur poem calling on younger generations to honor the sacrifices of the new ones.
] But three words in lyrics – "martyr of war" – seems to lead Chinese authorities to conclude that Mr. Heyit showed a terrorist
Who are the Uighurs?
Uighur constitutes nearly 45% of the population in Xinjiang .  Media playback is not supported on your device
They see themselves as culturally and ethnically close to the country of Central Asia.
In recent decades, many Han Chinese (mostly ethnic majority) have moved to Xinjiang, and the Uighurs feel their culture and the livelihoods are under threat.
Xinjiang is officially designated as an autonomous region within China, like Tibet in the south.