Seven people have reportedly been abducted along the Onne rivers in Rivers State.
It was said that gunmen struck on Monday as the passengers were on board the boat bound for Port Harcourt.
The Rivers State Police Command verified the incident on Tuesday.
The Police Public Relations Officer (PPRO) Grace Iringe-Koko said 20 passengers were onboard the boat.
She said: “Yes the O.C Marine informed me that a boat carrying 20 passengers from Bonny to Onne was intercepted by daredevil sea pirates along the Onne River where they were robbed before 7 of them were abducted and taken to an unknown destination”.