The police did not state the cause of the death of the former spokesman of the command.
The police in Rivers have banned the unauthorised use of sirens, revolving lights, spy and covered plate numbers in the state.
The state police commissioner said the kidnap was brought to their attention a month after it had happened.
A report says the blast which has claimed many lives and injured several others was caused by illegal oil refining.
A pornographic film was suddenly displayed on a screen billboard in Port Harcourt on Thursday.
The deceased had visited with three friends and drowned while swimming at the Olympic-size pool.
Rivers State Police say a notorious cult gang leader, Goodluck Ezekwu, has been killed, following a gun battle between the police and his team.
A local blog said the fire broke out from a foam shop as a welder was trying to weld a gate.
Police say the explosive ordnance team of the police was immediately despatched to the scene to sweep and render the entire market safe.
An explosion, suspected to be dynamite, has rocked Rivers popular Mile 3 Market in the early hours of Monday.
