Pope Francis makes his first visit to a conflict zone, saying he hopes next month's polls in the Central African Republic will open a "new chapter".
Polls have opened in Burkina Faso to elect a new president and parliament after a year of political turmoil.
Three people have been killed in a rocket attack on a UN peacekeepers' base in northern Mali, the UN says.
Can Pope Francis end the cycle of killing in Central Africa?
The return of a topless rebel to Muslim Tunisia
Could these labels replace dress sizes?
Election masks, racing to catch the Pope and cheering 'Pirates'
Power cuts are hurting Zambia's businesses
Who will win Burkina Faso's first election since Compaore?
Why presidential jets attract such uproar in Africa
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How can big data help the police?
A look at the enigmatic stars new role