The United Nations warned on Friday that 60 percent Yemen's population is going hungry as a third of the war-torn country are on the brink of famine.
A French man abducted from southeastern Chad has been located in neighbouring Sudan, a Chadian minister said.
Somalia's new president appealed to the international community Thursday for more aid to avert a famine threatening his country.
Comment: Japan's decision to withdraw its peacekeeping forces from South Sudan came as no surprise, but as the conflict continues to escalate, civilians are left vulnerable, writes Monique Bouffé.
A new oil exploration contract signed by Nigeria's Oranto Petroleum caused a recent flare of violence in the country's north - as experts warn against investing in South Sudan's minerals.
At least 14 people have been injured in a plane crash in South Sudan, with uncertainty about the fate of the other 26 passengers and crew.
UN experts say South Sudan's government is spending at least half its budget on weapons while 100,000 people are dying in a famine caused mainly by increasing government military operations.
The funding for Nigeria, Somalia, South Sudan and Yemen comes a week after the United Nations launched an urgent appeal to avert a catastrophe in the region.
Around 1.6 million people have either been displaced or fled to neighbouring countries in the past eight months ago.
South Sudan's leaders are using their power for war-profiteering and personal enrichment while civilians starve, the US actor wrote.