South Sudanese children displaced by recent fighting pose for a photograph at the Bor camp for the internally displaced in Bor town, Jonglei state, on April 29. A personal power struggle between South Sudan's leaders is driving Africa's newest nation to "catastrophe", the UN rights chief said on Wednesday.
The visit by UN High Commissioner for Human Rights Navi Pillay was prompted by a rebel attack on the South Sudanese oil hub of Bentiu this month that left hundreds dead and a revenge assault by rivals on people sheltering in a UN base. Reuters/Carl Odera