The father of a British-Canadian national detained in Kurdish-held northern Syrian is asking Canadian officials to help secure his release.
John Letts is also pleading for their assistance in the repatriation of other Canadians being held in the region.
His son, Jack Letts, 23, dubbed “Jihadi Jack”, travelled to Syria in 2014.
He was later captured by the Kurdish-led YPG – the group fighting against the Islamic State – when he left IS territory.
Mr Letts said his son has been detained for the past 18 months and that his health is failing.
“I need your help to save my son's life,” he told journalists in Ottawa, where he was meeting officials on Tuesday to discuss his son's case and those of other detained Canadians.
John Letts and his wife are facing charges of funding terrorism after sending their son money two years ago, which they say was to fund their son's escape from Syria.
They have pleaded not guilty.
Mr Letts said they have not been able to speak openly about their son's case in the UK due to contempt of court…
