FACTBOX-Which countries have the most slaves? Key figures from global slavery index
Asia is home to an estimated two-thirds of the total number of people living in modern slavery
Between 700-900 migrants may have died at sea this week - NGOs
Large fishing boat sank with many women and children on board - UNHCR said there may have been 670 passengers
Going local in aid will help build disaster resilience
The argument for a more local approach to aid came across loud and clear at the World Humanitarian Summit
U.N. condemns killing of Slovakian nun in volatile South Sudan
Sister Veronika Racková is the 54th aid worker to be killed in South Sudan since violence erupted there
Lake Chad Basin is world's most neglected humanitarian crisis - U.N. aid chief
Gap between suffering and humanitarian response may be bigger than in Syria or Yemen, says top Red Cross official
S. Sudanese army "getting away with murder" as thousands flee abuses - rights group
Human Rights Watch described cases of gang-rape, torture and other abuses by government soldiers
U.N. envoy launches $4 billion fund for schools in war zones
The fund aims to help more than 13 million children and young people over the next five years, and 75 million by 2030