Nigeria, April 30 -- The Peoples Democratic Party (PDP) has demanded that Delta State Governor, Sheriff Oborevwori, vacate his seat following his defection to the All Progressives Congress (APC).

Acting National Chairman of the PDP, Umar Damagun, made the demand on Tuesday, when addressing journalists after a closed-door NWC meeting at the party's national secretariat in Abuja.

Mr Damagum said the party has instructed its national legal adviser to initiate proceedings to recover what it describes as the party's stolen mandate in line with the Electoral Act.

"We have also instructed the national legal adviser to recover our mandate that they have taken away. The fortune of this party cannot just be left in the hands of our adversaries. ...