Some worshippers also sustained various degrees of injuries and have been rushed to the Federal Medical Centre, Owo, for treatment.
According to the Nigerian Tribune, no fewer than 50 corpses have been moved out of the church including scores of casualties lying at the Federal Medical Centre, Owo, for medical attention.
A source revealed that the congregation were caught unaware and that the death toll might rise because some worshippers who were taken to the hospital have reportedly died.
The source also revealed that the gunmen also used explosives within the vicinity of the church but said most of the people were hit by gunshots.
Graphic photos and videos posted online indicate some dead bodies soaked in blood in the church.
A nurse at Owo who would want to remain anonymous said there was a scarcity of personnel on the ground at the time in question to attend to the casualties at the emergency unit of the hospital, while some of the victims had been moved to a private hospital.
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