The shooting was said to have continued yesterday afternoon. They had dispersed when men of the Joint Task Force, JTF, engaged them in a shootout on Friday.
Among those killed, sources told Vanguard, was a chieftain of the All Progressives Congress (APC) who was simply identified as Godspower.
The Chairman of the local government area, Mr Austin Ayamadu confirmed the attack.
He said that the gunmen went from one street to the other, shooting, before security men swung into action.
He however appealed to residents to remain calm, assuring them that security men had taken charge of the area.
“Unknown gunmen invaded Omoku and started by killing an elder of the APC and some other people were also killed.
The figure, I cannot immediately say because of the security situation, but it is more than five,” he said.
Rivers State Police Public Relations Officer, DSP Ahmad Muhammad also confirmed the incident.
He said it was a clash between rival cult groups. He gave assurance that security men were on top of the situation.