He was killed by a gang of young men in Gboko on Sunday.
Ahu and other ward officials were training party members for the APC registration and revalidation exercise.
The assailants stormed the venue with clubs, cutlasses, and attacked Ahu.
APC Publicity Secretary in Benue State, James Orgunga, confirmed the incident.
He disclosed that the ward chairman sustained serious injuries and died at a public hospital in Gboko.
The Police Public Relation Officer (PPRO) of the Benue Command, Kate Anene, said a probe had commenced.
“I can confirm the attack and killing of the APC ward chairman in Gboko, our men rushed to the scene but the suspects fled.
Ogun State Commissioner for Environment, Abiodun Abudu-Balogun
The Ogun State Police Command has begun investigating the state’s Commissioner for Environment, Abiodun Abudu-Balogun.
He was allegedly accused by a 16-year-old girl of sexual harassment.
Abimbola Oyeyemi, the command’s spokesperson, who reacted to a viral video of the young girl, said the commissioner was being investigated.
He said the case was presently being investigated by the Area Commander, Ogbere, and that the outcome would be made public.
The 16-year-old in a Facebook video post that has now gone viral alleged that the commissioner connived with her uncle and a teacher from another secondary school to lure her to his house, where he sexually harassed her by touching her breasts.