Millions risk starvation in Nigeria, Lake Chad region - United Nations
"They are living on the edge, barely getting by on one meal a day." - Toby Lanzer, UN humanitarian coordinator for the Sahel
South African court blocks govt's ICC withdrawal bid
Judge tells the government that its notice to withdraw from the international war crimes court is "unconstitutional"
Pope appeals for urgent food aid to help famine-stricken South Sudan
Pope says millions of people, including many children, are being "condemned to death by hunger"
Britain pledges extra $250 million to fight famine in South Sudan, Somalia
UNICEF says nearly 1.4 million children are at imminent risk of death in South Sudan, Somalia, Nigeria and Yemen
Yemen launches polio vaccination drive amid fears disease could reappear
Polio remains endemic in only three countries - Afghanistan, Pakistan and Nigeria
FACTBOX-World's major famines of the last 100 years
People are currently starving to death in four countries, and 20 million lives are at risk in the next six months
Parts of South Sudan suffering famine - govt official
Impact of war, combined with high food prices, economic disruption and low agricultural production expected to make 4.9 million people "food insecure"
Syrian 'White Helmets' makers get visas for Oscar travel
Last month it looked as if the Syrian filmmakers would be unable to get to the Oscars because of Trump's travel ban
WIDER IMAGE-Nearly 15,000 lost children seek parents in chaos of South Sudan's war
Last year, reunifications dropped by 50 percent because there was not enough money to trace families
INTERVIEW-Four famines mean 20 million may starve in the next six months
In 2011, Somalia suffered a famine that killed 260,000 people. The famine was declared in July, but most people had already died by May