The flood disaster destroyed some voter enrollment machines already configured for the Continuous Voter Registration exercise.
The INEC chairman announced that the commission had received 216 case files related to the 2023 general elections.
Mr Abubakar, who addressed journalists in Abuja Thursday evening, revealed that the outcome of the election would be challenged in court.
Yiaga Africa has urged the Independent National Electoral Commission (INEC) to undertake a thorough audit of its Bimodal Voters Accreditation System (BVAS).
Since 2019, 14 INEC offices have been attacked 41 times and 1,105 ballot boxes, 429 generators and 13 vehicles destroyed by hoodlums.
