Nigeria, Jan. 10 -- Mustapha Kwankwaso, the Kano State commissioner for youth and sport, is set to vacate his office ahead of the imminent defection of Governor Abba Yusuf from the New Nigeria People's Party (NNPP).

Mustapha is the eldest son of the former governor of Kano State, Rabiu Kwankwaso, the leader of the NNPP in the state.

While Mustapha has neither tendered a formal resignation nor been relieved of his duties by the governor, insiders said he will resign officially before or after the governor's formal exit from the party.

Although Governor Yusuf has yet to make a public declaration about his defection, his aides and members of the State House of Assembly have confirmed his plans to leave the NNPP, citing escalating legal di...