The community and neighbouring communities have been under siege by gunmen and kidnap suspects terrorising the area in recent times. Unidentified gunmen, on Sunday night, opened fire on a patrol vehicle, killing three vigilance operatives and a passerby at Umuaka Community in Njaba Local Government Area (LGA) of Imo.The News Agency of Nigeria (NAN) learnt that the incident occurred near the local Afor Umuaka Market and Hilltop Primary School at about 7:20 pm. A community leader, who pleaded anonymity, described the attack as a “devastating ambush”. The source told NAN that the people of the co…