The people of the state are going out to the polls today to pick one of 48 candidates to replace Governor Rauf Aregbesola.
Our correspondents are present in the three Senatorial Districts to bring you updates about the poll.
With over 1.6 million registered voters, 3,010 polling units spread across 30 local government areas, the election is seen as a final test for the Independent National Electoral Commission (INEC) before the 2019 general elections.
Ahead of the election, INEC announced a ban on the use of smartphones, cameras and recording devices in polling booths.
INEC also announced that it would be using a Braille ballot guide for visually impaired voters for the first time during the election.