The attackers, suspected to be cultists killed a couple and two worshippers in the church in Azikoro Village, near the capital of Yenagoa.
The rampaging hoodlums also burnt down the nearby house, church properties, cars and injured other worshippers before fleeing the scene of crime.
The motive was not clear. But two suspects have been arrested
But Bayelsa State Police Command said it has launched a manhunt for the gunmen as it also identified their victims.
They were Mr Gabriel Ejimofor 45 years old and his wife, 38 year-old wife Uchechukwu Ejimofor.
Also killed were Alfred Marcus, 30 years old and 25 year-old Imomotimi, whose surname is unknown.
In a press statement by SP Asinim Butswat,Police Public Relations Officer,PPRO of the
Bayelsa State Police Command said that Operatives of “Operation Puff Adder” had earlier traced the hideouts of the cultists in the bush, dislodged them and burnt their camp.
It was believed that this could be a reprisal attack by them.
The Commissioner of Police Mike Okoli visited the crime scene on Thursday.
He gave an assurance that his team would unravel the motive for dastardly attack.
