Ugandan police detain two high-profile hopefuls in next year's presidential vote. Former PM Amama Mbabazi and key opposition figure Kizza Besigye were later released. Also, as the US offers Nigeria its solidarity in the battle against Boko Haram, we hear from our man on the ground in Abuja's neighbour and ally, Niger, about how the insurgency is affecting refugees there. And we check out "Congo Beauty", an exhibition here in Paris celebrating a century of African art.
