The legal challenge could frustrate ongoing hearings into police abuses across the country.
Police confirmed release but declined comment on ransom paid.
The kidnappers have reached out to the family of a victim to negotiate a N30 million ransom.
Twenty-three suspects were arrested with 13 machetes, charms, 36 mobile phones and cash, police said.
The #EndSARS unrest has destabilised parts of the country where people have been protesting.
The global rights body says focus should shift to justice for victims after today’s abolition of SARS.
Nigerian mothers risk their health and comfort to demonstrate around Lagos on Friday, demanding an end to the controversial police unit.
Inspector-General Muhammed Adamu ordered the immediate end to SARS activities on Nigerian road after #ENDSARS campaign.
