Mr Ukandu said the incident happened on October 10 and that the investigation was ongoing.
He said that the suspects would be arraigned and prosecuted once investigations are concluded.
The party said by the decision it was treading the path of equity and justice.
Mr Ugbala noted that Mr Ikengwu had failed in his responsibility to stop the killings in the community.
Spokesman of the police command in Ebonyi, SP Chris Anyanwu, confirmed the development on Thursday in Abakaliki.
Members of Ukawu community were attacked by Isinkwo people when they went to a river to dredge sand.
The governor was reported to have ordered the ministry must to “tackle all problems hindering water supply.”
