A Mauritanian man who was held at Guantanamo Bay for 14 years without trial is suing Canada over its alleged role in his detention.
Mohamedou Ould Slahi was suspected of being involved in a failed terrorism plot in the US in 1999.
The 51-year-old alleges the Canadian authorities provided false information about his activities, which led to his arrest and subsequent torture at the US prison in Cuba.
Mr Slahi says he faced physical beatings, sleep deprivation and sexual assault.
He is seeking nearly $30m (£23m) in damages.
Officials at Guantanamo Bay which was opened in the wake of the 9/11 attacks have repeatedly been accused of unlawful detention, torture and abuse.
During his detention, Mr Slahi wrote several books, including a memoir that formed the basis for the 2021 film, The Mauritanian. -BBC