Reports say government forces plan to target civilians
Rising ethnic violence raises concerns of a possible widespread conflict
Renewed fighting comes less than a week after ceasefire deal
Investigation blames peacekeepers for failing to act when warring factions attacked aid worker compound
Meet the volunteer group working to save lives in war-torn Aleppo
President Juan Manuel Santos is lauded for his efforts even though peace is not final
U.S.-based group says UN peacekeepers are failing their mission
Amnesty International says attacks killed hundreds, including children
The Malian government is accused of dragging its heels on peace deal
Civilians under 18 make up one-third of the casualties in fighting between militants, government forces