He said that the challenges were minor to have affected the entire country, PUNCH reports.
Citing instances, the former Head of State said that what had happened in 5 States could not have presumably affected the remaining 31 State and the Federal Capital territory, Abuja.
He addressed a press conference in his private residence after he and his wife, Aisha had cast their ballots at Kofar Baru 3 in Sarkin Yara "A" in Daura Local Government Area of Katsina State.