Nigerians are raising concerns about the health of Muhammadu Buhari, who hasn't been seen in public for more than a week and has missed his third straight cabinet meeting.
Nomadic herders who live across West Africa are having to travel further and further south for their cows to graze. Some are letting cows graze on cropland, leading to deadly conflicts with farmers.
Conflict and drought have ravaged four countries across North Africa and the Middle East, leaving more than 20 million people in desperate need of food.
President Muhammadu Buhari left for London Jan. 19. His government insists he's "hale and hearty," but speculation is rife that he may be suffering from prostate cancer, memory loss or other ailments.
In Nigeria, the food crisis is so severe that when MSF sees families to treat disease or provide vaccinations, they're starting to distribute food as well.
Worshippers were celebrating the ordination of a bishop on Saturday when, witnesses say, metal girders in the hastily constructed church buckled and crashed onto them. The roof then caved in.