An aerial view of black smoke covering the sky above the capital Khartoum. Explosions and gunfire resounded in Sudan's capital on April 20, as fighting between the forces of two rival generals showed no signs of abating ahead of festivities marking the end of Ramadan.
As Nigeria battles multiple security crises, a single attack in the west left more than 160 people dead and raises new questions about who's really in control.
In the last installment of our correspondent's journey along West Africa's rapidly expanding urban coast, we arrive in Abidjan, Ivory Coast — at the heart of a region where promise and strain collide.