Mr Agboke said that the majority of polling units opened on schedule.
Mr Gombe said the protest was meant to urge the electoral commission to follow due process.
The Independent National Electoral Commission says its continuous voter registration will be held in 811 centres across the 36 states and Abuja.
According to him, priority voting will be given to PWDs.
The commission has restated its commitment to ensuring that the supplementary elections are free, fair and credible.
“We will not rest until Niger state becomes a development model,” stated the governor-elect.
No individual is permitted to go to the polling units and provide any other means of identification other than the PVC.
Mr Alkali said that the INEC was prepared to deliver on its mandate without fear or bias.
INEC says gunmen have attacked its office in Enugu South local council 39 days before the February and March elections.
INEC spokesperson in Osun, Oluwaseun Osimosu, confirmed the attack to reporters.
