500 dead in South Sudan violence

People arrive to seek refuge in the UNMISS compound in Juba, on December 18, 2013. The mission is stepping up provision of basic health facilities.South Sudan's fugitive former vice president denied on December 18 accusations he led a coup bid against his archrival President Salva Kiir after days of fierce fighting that has killed hundreds of people and sent thousands fleeing to UN bases. AFP PHOTO / STRINGERSTR/AFP/Getty Images
People arrive to seek refuge in the UNMISS compound in Juba, on December 18, 2013. The mission is stepping up provision of basic health facilities.South Sudan's fugitive former vice president denied on December 18 accusations he led a coup bid against his archrival President Salva Kiir after days of fierce fighting that has killed hundreds of people and sent thousands fleeing to UN bases. AFP PHOTO / STRINGERSTR/AFP/Getty Images

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    500 dead in South Sudan violence

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Recent fighting in South Sudan has now left some 500 people dead. CNN's Jonathan Mann has the latest.