Nigerian president Muhammadu Buhari casts his vote at a polling station in Daura, Katsina State Nigerians are finally going to the polls for the country’s general election following a last-minute postponement of the vote a week ago. The main challenger to President Muhammadu Buhari, 76, is the former vice president, Atiku Abubakar, 72. Whoever wins will have to address power shortages, corruption, security threats, and a sluggish economy. Voting began at 08:00 (07:00 GMT) and polls are due to close at 14:00 (13:00). President Buhari cast his ballot in his hometown of Daura in the northern state of Katsina. Asked if he would congratulate his rival if he lost, he said: “I will congratulate myself.” Reported attacks About two hours before polls were due to open on Saturday, residents of the town of Maiduguri, the capital of Borno state in the country’s north-east reported hearing several blasts and gunfire. […]