Nigeria elections: The mood on the ground in 60 seconds

Vote counting is under way in Nigeria's tightest presidential election since military rule ended in 1999.

Voting was marred by long delays as polling stations failed to open on time in some areas because of logistical problems and security incidents.

The BBC's Azeezat Olaoluwa, Mayeni Jones, Yemisi Adegoke round-up the mood in Lagos and Yola.