police raid

Nearly 500 men and boys have been rescued from a building in the northern city of Kaduna, where the detainees were allegedly sexually abused and tortured, Nigerian police said.

Children as young as five were among those in chains at what was thought to be an Islamic school, officers said.

Kaduna police chief Ali Janga told the BBC the building was raided after a tip-off about suspicious activity.

He described it as a “house of torture” and a place of human slavery.

Eight suspects, most of them teachers, were arrested. The police chief said the detainees – some with …