Liberia is suffering the fastest rise in fatalities from West Africa's Ebola epidemic. Tensions among frightened communities in Monrovia have sparked clashes with police trying to enforce a quarantine on one of the city's slum neighbourhoods. Also, Paris turns to Mali for help in getting to the bottom of a probe into the campaign finances of former French President Nicolas Sarkozy. And with a population set to triple over the next few decades, Niger has the highest birth rate in the world.