A Burundian soldier of the U.N. peacekeeping force MINUSCA contingent uses a metal detector at the entrance of a polling station in Bangui, Central African Republic on Dec. 14, 2015.
Marco Longari/AFP/Getty Images
Smoke rises near a Syrian flag hoisted up a flagpole as a result of the fighting between Syrian rebels and the Syrian Army over the control of Quneitra crossing, on Saturday. The area is where dozens of U.N. peacekeepers had been under siege by Nusra Front fighters.
U.N. Secretary-General Ban Ki-moon holds a child at a refugee camp in Juba, South Sudan, on Tuesday. There have been increased calls for a contingent of African troops to be involved in peacekeeping operations.