Nigeria, March 24 -- Another three police officers have been killed by unidentified gunmen in Abia State, Nigeria's South-east.

The police spokesperson in the state, Geoffrey Ogbonna, who confirmed the killing to PREMIUM TIMES, Wednesday, said the attack occurred in Abiriba, Ohafia Local Government Area of Abia State on Monday.

The officers were ambushed and their patrol vehicle set ablaze. The gunmen fled with the rifles belonging to the slain officers.

The police are yet to make any arrest over the incident, Mr Ogbonna, a chief superintendent of police, said.

The Vanguard newspaper identified the slain officers as Austin Ugwu and Longinus Ugochukwu, both of them inspectors, while the third, Ama Ifeanyi, was a constable.

The three w...