Central African Republic: Violence returns to Bangui

At least seven people have been killed in renewed unrest in the Central African Republic, as the fragile nation sees the worst violence since a UN force took over peacekeeping duties in September. Also, we bring you an exclusive report on the struggle to contain the Ebola virus in DR Congo. And with the race for the Nobel peace wide open, we take a look at the Congolese gynaecologist Denis Mukwege who is tipped as a possible winner.