IMF chief Christine Lagarde said armed conflicts pose the principal threat to Africa's future development.
At least four people were killed in an exchange of fire between soldiers and unidentified gunmen at an army checkpoint in southern Cote d'Ivoire.
A robust growth forecast for the West African Economic and Monetary Union will likely be dampened by new political turmoil in the region.
African leaders will step up calls on Monday for an end to Western sanctions against Zimbabwe and urge SA to plead Harare's cause within the G20.
Ugandan LRA rebels killed more than 100 people in a village in DRC in an apparent reprisal for army operations against them, the UN says.
Honore Tadri was in Faradje on Christmas Day when about 150 armed men surrounded the market square where most of the town's residents had gathered.
A pledge by DRC rebels to abandon a four-year insurgency marks a major step towards ending more than a decade of conflict in the east of the country.
Rebels have killed 567 people and displaced 115 000 in northeast DRC's Oriental province since September, the UN refugee agency said on Friday.
Poachers in the DRC have killed a fifth of the elephants in Africa's oldest national park this year, the park's director said on Friday.
The Democratic Republic of Congo should cancel more than three quarters of its logging deals for not meeting necessary standards, a report said.