World music icon Youssou Ndour says he plans to run in Senegal's presidential election next month, challenging an 85-year-old incumbent whose plans to seek a third term have sparked violent protests.

In 2005, heavy rains flooded neighborhoods around Dakar, Senegal, forcing tens of thousands of people out of their homes. It was the worst downpour in decades and Babacar Niang, a rapper also known as ...