Yemen launches polio vaccination drive amid fears disease could reappear
Polio remains endemic in only three countries - Afghanistan, Pakistan and Nigeria
South Sudan's Kiir promises safe access to starving civilians as famine bites
Nearly half of South Sudan's 11 million people will lack reliable access to affordable food by July
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
UN says 1.4 million children at imminent risk of death in famines
"We can still save many lives. We must not repeat the tragedy of the 2011 famine in the Horn of Africa"
Refugee claimants from U.S. strain Canada's border resources
As asylum seekers arrive with frostbite, Canada converts unused basement into processing center for refugees
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"
Military investigates after South Sudan villagers claim gang rape by soldiers - bishop
Anglican Bishop Paul Yogusuk said soldiers had attacked at least five women and girls a week ago following a deadly ambush on a military convoy
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
Running for peace: The Olympic refugee team
In ‘Running for Peace’ we meet Kenya’s refugee athletes. Hailing from war-torn regions including South Sudan, Ethiopia, Democratic Republic of Congo and Somalia, they have all overcome huge odds to become part of a select team of runners in Ngong village.