Nigeria, April 20 -- Evidence has emerged suggesting that the police in Rivers State may be attempting to suppress accountability and justice over a viral video showing four gun-wielding police operatives assaulting a man in Iwofe, Rumuolumeni, in the Obio/Akpor Local Government Area of the state.

The video clip posted on Facebook by rights activist Harrison Gwamnishu showed a police officer repeatedly beating an unidentified man with a belt while another slapped him as he rolled on a tarred road.

The assaulted man, who is seen in the video resisting being forced into a Toyota Camry, screamed in despair as one of the officers ordered him to enter the car, while another was heard accusing him of "fighting policemen."

Two bystanders, a m...