Family members of the UN peacekeeper and nurse Mao Eng mourn after he was found dead on Tuesday in Central African Republic. Eng was one of four Cambodian peacekeepers killed in an ambush launched by the Anti-Balaka – a Christian and animist terrorist group. Tributes have been flowing for the slain blue helmets, which the UN says could amount to a war crime. Read the full story here. Photos by Pha Lina.