"On this occasion, we invite the Chinese authorities to respect the fundamental human rights of Uighur Turks and to close the internment camps", he said.
The video features a man said to be Heyit stating that he is in "good health".
"The re-emergence of concentration camps in the 21st century and China's systematic assimilation policy toward Uighur Turks are great embarrassment for humanity", Aksoy said. Several hundred protesters chanted "God is Great" and "Get out, communist!" outside China's embassy in the Indonesian capital, demanding an end to mass detentions of Uighur Muslims.
Sixteen leading global human rights organizations have called for an worldwide investigation into China's mass incarceration of the Uighurs and other Turkic Muslims in Xinjiang province.
Though Muslim majority countries have so far refused to voice their concerns over the treatment of their co-religionists, Turkey's public reprimand of Beijing has been met with criticism.
The Turkish Foreign Ministry on Saturday called on China to close its detention centres for Muslims, saying the camps said to hold almost a million ethnic Uighurs and other Turkic-language speaking minorities are a "great shame for humanity".
But in a video that appeared today, a man - purported to be Mr Heyit - is seen rocking slightly from side to side, wearing a white and black sweater and delivering a short statement against a drab grey background.
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The famed poet and musician is a master of the dutar, a two-stringed instrument from Iran and Central Asia, and was reportedly sentenced to eight years in prison due to one of his songs.
He then says, "I am now in good health and have never been abused".
"China has made solemn representations toward Turkey".
The news comes amid new reports that some 17 Australian residents are believed to be detained in China's crackdown on the Uyghurs and other Muslim minorities.
Global rights groups say China routinely coerces detainees into making videotaped confessions which are then broadcast through state media to serve the government's propaganda objectives.
"The Chinese Foreign Ministry's response to the Turkish Ministry of Foreign Affairs: the allegations are outrageous, we have an official initiative", the tweet read.
In January, Shohrat Zakir, the chairman of the Xinjiang regional government and an Uyghur himself, stated that the United Nation's estimate of one million people was a "rumour" and that the facilities were temporary vocational training and educational facilities that had proven to be "extremely effective" in reducing extremism, teaching residents about the law and helping them learn Mandarin.