South Sudan willing to withdraw army from Sudan border-president
Leaders of South Sudan and Sudan due to meet this month at an African Union-brokered summit to discuss setting up border zone
Sudan closes think-tank after protest - director
Director says closure came day after organisation helped stage a protest against government crackdowns on campaigners
CAR president says ready to share power with rebels
The three-week old onslaught by the rebel alliance Seleka has highlighted the instability of the landlocked former French colony, which remains one of the least developed nations on the planet