The Kaduna state police command have rescued three hundred persons chained together in Rigasa, Igabi Local Government Area of the state.
The 300, including children, were rescued following a raid at a home allegedly used as an Islamic Centre.
According to the police, the victims are from Burkina Faso, Mali and other African countries.
Channels Television gathered that adults were subjected to daily recitation of the Holy Quran and prayers, allegedly accompanied with torture.
There are also claims that some of the children had been sexually abused.