Sani Sha’aban, a former Governorship aspirant of the All Progressive Congress in Kaduna State and an in-law to the President, Major General Muhammadu Buhari (retd), on Monday, terminated his membership of the ruling party.Sha’aban, whose 17 children bought the N50m Expression of Interest and the Nomination forms for him to contest the party’s governorship primary, cited impunity and injustice as reasons for dumping the ruling party in the state.He submitted his resignation letter to his Hanwa ward chairman in Sabon Gari Local Government Area of the state on Monday.