However, nine are still in captivity while two, Saifullah Yahaya and Sanusi Mati, were shot dead as they tried to escape.
Nineteen persons, 10 female adults, seven males, one female child and one male child were involved in the accident.
The incumbent governor polled 430,821 votes to defeat Aishatu ‘Binani’ Ahmed of the All Progressives Congress, who scored 396,788 votes.
Aishatu ‘Binani’ Ahmed was illegally declared the winner by a rogue electoral officer on Sunday morning.
According to the police spokesman, Abdulkarim Dungus, the
attack was carried out by the terror group on Friday.
The assailants stormed Sabon Layi town on Wednesday morning, shooting sporadically, a Birnin Gwari resident said.
However, when the officials asked for his driving licence and vehicle particulars, he refused and started a fight.
The survivors’ father reported the incident at the Jimeta police division after noticing that his kids went through unusual pains while trying to urinate.
The four suspects were subsequently arrested as police commenced investigation into the murder.