The Ogun state police command has arrested a 37-year-old man, Ifeanyi Ajaero, for chaining his 28-year-old wife, Obiageli, to a generator.
Ajaero had allegedly chained his wife to the generator on Friday night to Saturday morning.
The state police public relations officer, Abimbola Oyeyemi, said the incident happened at Ewooluwo, in Sagamu.
According to the police, the suspect, who is a member of the disbanded merchant navy, used a handcuff to chain his wife to the generator.
He said the divisional police officer of the command in Sagamu, Aduroja Moses, led his men to the scene, rescued the victim and arrested the suspect.
The state commissioner of police, Ahmed Iliyasu, added that the case had been transferred to the anti-human trafficking and child labour unit of the state investigation and intelligence department for further investigation and prosecution.