Nigeria, Feb. 1 -- Delta North Senator Ned Nwoko has officially resigned from the Peoples Democratic Party (PDP).

His resignation was contained in a letter dated 30 January and addressed to the chairman of the PDP in his ward, Ward 8, Aniocha North Local Government Area of the state.

He did not, however, announce the party he would join.

Speculations about Mr Nwoko's exit from the party had been on for weeks following allegations of a strained relationship between him and the Delta State Governor, Sheriff Oborevwori, and former Governor Ifeanyi Okowa.

Mr Okowa was the Delta North senator between 2011 and 2015.

There were speculations that Mr Oborevwori had sidelined Mr Nwoko and his constituency to advance the interests of the govern...