Nigeria, April 10 -- The North-west zonal congress of the Peoples Democratic Party (PDP) was on Saturday disrupted by violent party members in Kaduna.

The congress ended abruptly after the supporters of the Governor of Sokoto State, Aminu Tambuwal, clashed with those of a former Governor of Kano State, Rabiu Kwankwaso, at the event.

The warring supporters destroyed ballot boxes before voting could start, forcing observers and other officials to flee the scene.

The main subject of the dispute was the position of zonal National Vice Chairman.

Mr Kwankwaso is at odds with former Minister of Foreign Affairs, Aminu Wali, who leads a rival faction of the PDP in Kano.

"Its unfortunate that Mr Tambuwal in his opinion doesn't want us from the...