A South Sudanese civilian stands in front of St Andrews church in Bor on January 30, 2014, where his grandmother was killed by rebels. Recent fighting in the country has seen waves of brutal revenge attacks, as fighters and ethnic militia use the violence to loot and settle old scores, with the United Nations and rights workers reporting that horrific atrocities have been committed by both sides. Many fear the conflict has slid out of the control of political leaders, with ethnic violence and revenge attacks between the Dinka people of Kiir and the Nuer of Machar, the country's two largest groups. AFP PHOTO / ALI NGETHI        (Photo credit should read ALI NGETHI/AFP/Getty Images)