Syria conflict: Evacuees describe Homs horrors
16 February 2014 Last updated at 22:57 GMT
Around 300 men are being held for questioning in Syria after they left the rebel held area of Homs during an evacuation involving the UN last week.
The Syrian government insists the men will not been mistreated.
The BBC's Lyse Doucet has been granted exclusive access to the centre in Homs where the men are being held.