EDS NOTE: ALTERNATIVE CROP OF ABC114. Opposition candidate Gen. Muhammadu Buhari holds his ballot paper in the air before casting his vote in his home town of Daura, northern Nigeria Saturday, March 28, 2015. Nigerians went to the polls Saturday in presidential elections which analysts say will be the most tightly contested in the history of Africa's richest nation and its largest democracy. (AP Photo/Ben Curtis)
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