Nigeria, Nov. 18 -- Five men have been arrested by the police in Imo State, Nigeria's South-east, for allegedly assaulting a woman who aided a police investigation.

The police, on 4 November, said the 55-year-old woman, Ndidiamaka Agu, was allegedly assaulted by the suspects at Emekuku, near Owerri, the Imo State capital.

A video clip of the incident shows some men beating and kicking Mrs Agu, while another woman who disapproved of the assault filmed it from another building.

At some point, the men threatened to attack the woman who was recording the incident.

The police had said the suspects allegedly assaulted the woman because she cooperated with police officers in an investigation.

Providing an update on the incident on Monday, t...