PDP Presidential candidate and main opposition leader Atiku Abubakar (C) prepares his ballot papers before casting his vote along with his wife Amina Titilayo Atiku-Abubakar (R) at Agiya polling station in Yola, Adamawa State, Nigeria on February 23, 2019, as voting commenced in the presidential election. - Nigerians began voting for a new president on February 23 after a week-long delay that has raised political tempers, sparked conspiracy claims and stoked fears of violence. Some 120,000 polling stations began opening from 0700 GMT, although there were indications of a delay in the delivery of some materials and deployment of staff, AFP reporters said. (Photo by Luis TATO / AFP)