About 400,000 people are estimated to have been killed in the war , including notable atrocities such as the 2014 Bentiu massacre . Although both men have supporters from across South Sudan 's ethnic divides , subsequent fighting has been communal , with rebels targeting members of Kiir 's Dinka ethnic group and government soldiers attacking Nuers . More than 4 million people have been displaced , with about 1.8 million of those internally displaced , and about 2.5 million having fled to neighboring countries , especially Uganda and Sudan
2014 Bentiu massacre
2014 Bentiu massacre
South Sudan