Nigeria, Oct. 13 -- Jigawa State Governor Umar Namadi and 11 others have made the final list of governorship candidates in Jigawa released by the Independent National Electoral Commission (INEC) on Saturday.

However, one of his main challengers-African Democratic Congress (ADC) candidate Sabo Nakudu-is protesting the replacement of his nominated running mate on the list.

Mr Nakudu had submitted the name of Aminu Ibrahim to the electoral body, but Nasiru Kaugama was published as his running mate on INEC's official list instead.

The substitution stunned Mr Nakudu and his supporters, who have accused a faction within the party of orchestrating the replacement.

The development has thrown the opposition party into internal turmoil, causing...