South Sudan warlord offers abducted boys sit exams -U.N. envoy
About 12,000 children in South Sudan have been abducted in recent times by different factions
South Sudan's Kiir shrugs off UN threat of sanctions
Government ready to continue fighting rebels if they prefer war, Kir warns
Aid agencies challenged by rise in conflict death toll
Study finds 28 pct more deaths in top 20 conflicts last year
Militias destroy Iraqi villages, displace thousands - rights group
Human Rights Watch warns that militia abuses are exacerbating sectarian grievances in the deeply divided country
U.S. warns lack of accountability hampers South Sudan peace bid
US urges accountability for atrocities, sexual and gender based violence, child soldier recruitment and mass graves
Sudan: don't tie Darfur peacekeepers exit to tribal violence end
About 4.4 mln people need humanitarian assistance in Darfur and more than 2.5 mln remain displaced, UN says
Kurds report more chlorine attacks, Iraq pauses Tikrit offensive
Kurdish forces claim Islamic State has used chlorine in attacks
Iraq needs more airstrikes to dislodge IS in Tikrit - officials
More than 20,000 soldiers are taking part in the offensive to retake Saddam Hussein's home city
Iraqi offensive on Tikrit stalled, officials say build evidence of chlorine
Iraqi Kurdish officials say the have found chlorine in town retaken from Islamic State