South Sudan rebels say killed "many" government soldiers
Each side accuses the other of violating a ceasefire announced in early February
South Sudan defends law that aid agencies say could be "catastrophic"
NGOs worry the new law could hinder operations in one of the least developed countries in the world
UN airlifts seeds to South Sudan's conflict-hit farmers
More than 175,000 farming families in violence-hit states need seeds in order to plant this season
Ethiopia to step up role as regional clean power exporter
Ethiopia plans to begin exporting renewable energy to a broader range of neighbouring nations by 2018
Protesters to African leaders: halt Burundi presidential bid
East African leaders are meeting on Wednesday to discuss the crisis in a country with a history of ethnic conflict
U.N. reports rape and killings in attacks on South Sudan towns
U.N. says soldiers and armed youths appear to be involved
Tens of thousands flee fighting in South Sudan, aid groups withdraw
Doctors without Borders shut down hospital, Red Cross withdraws key staff
Sudan army says shot down reconnaissance drone, identity unknown
Sudan faces several insurgencies, though the rebels are not believed to have air capabilities