'Human slaughterhouse': Amnesty report on notorious Syrian prison

Amnesty International is calling for a United Nations led investigation into claims the Syrian government carried out mass hangings and torture at a military jail. Image: Military jail (AAP)

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The killings are said to have occurred between 2011 and 2015 at a prison near the capital, Damascus.

 

Amnesty says as many as 13 thousand people died.

 

Here is a report by Greg Dyett.