DSP Toochukwu Ikenga, Police Public Relations Officer in Anambra State, disclosed this to the News Agency of Nigeria.
Ikenga spoke with the NAN in Awka on Tuesday.
NAN reports that two Police Officers accompanying a leader in one of the tricycle union units were killed instantly, while the Union Leader was kidnapped by the gunmen who operated in a Sienna bus.
Report has it that a woman was also hit by stray bullet during the shooting incident, which took place at Unizik Junction on the Awka axis of Enugu-Onitsha Expressway.
Ikenga said the arrested suspects have already made statements useful to investigations.
The PPRO said the Police Commissioner in Anambra State, Echeng Echeng, had ordered full response to the situation and assured that no stone would be left unturned until the culprits and their sponsors are exposed.
Ikenga urged residents of Anambra State to be calm and vigilant and provide timely information that would help the operations of the force.