Two persons who were detained at the police station in Akoko-Edo for minor offences were also killed by the robbers.
Witnesses said the robbers first attacked the police station which is about 1.2 kilometre from the banks to demobilise the the policemen on duty.
The robbers were said to have burnt the official vehicle of the newly posted Area Commander and killed a policeman in the process.
Three other persons near the police station were reportedly hit by stray bullets.
A youth who gave Ofei Obende said policemen posted to the bank tried to resist the robbers but were overpowered by their heavy firepower.
Secretary to the paramount ruler of the community, Otaru of Igarra, Elder Folorunsho Dania confirmed the incident saying, “This is a serious case, armed robbers have besieged Igarra. So many lives killed, ten dead persons have been counted.
“The police station was set ablaze, the Area Commander’s new car set ablaze because we have an area commander now. Close to the police station, three people were killed and in the banks too; Keystone and Unity Banks many persons were killed and the banks raided.
“It is a calamity. In all, ten lives have gone. They could not access the strong room of the banks. The people that were killed in bank were outside the bank premises. Four persons killed within the bank premises, a policeman killed in the police station then a stone throw from the police station, three persons were killed. I am right at the police station.“ SHARE THIS STORY USING ANY OF THE BUTTON BELOW ⬇ PLACE YOUR TEXT ADVERT BELOW ⬇⬇⬇