The men, both men, were allegedly kidnapped and concealed in the house, and have been subjected to severe torture and humiliation.
Chief of Police in Kaduna City, - Ali Janga said that, after raiding the house they found all the men in chains as slaves.
He said they decided to raid the house after local residents reported to police that they were concerned about the activities going on inside the house.
Eight people are being held by the Nigerian Police Force following the incident, although it is unclear what the people holding the captives had for the purpose.
The other kidnapped survivors were male children, who told police they were taken to the house by their relatives, who suspected the house was a Quran school.
