UN urges Falluja combatants to let civilians escape fighting
UN refugee agency says a number of women and children have died while trying to leave the city
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
Iraq forces keep up shelling of Falluja, U.N. concern mounts for civilians
About 100,000 civilians are estimated to be in Falluja, the first Iraqi city to be captured by Islamic State
Iraq forces shell Falluja for second day; UN concerned for civilians
Aid agencies appeal for the warring parties to protect civilians, who have limited access to food, water and healthcare
FACTBOX - Schools under fire in war zones
Nearly 75 million children had their education disrupted last year, leaving them prey to child labour, trafficking and extremism
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
New aid network aims to boost local charities helping people in crisis
African, Asian and Middle Eastern groups want more funding for their work and a greater say in how aid is delivered
U.N. says world must stand up for widely flouted humanitarian law
"We have seen a decay, a lack of respect for international law which is causing enormous damage in the world"