South Sudan: War and hunger scar world's newest country
The President of South Sudan Salva Kiir waves the newly signed constitution of his country for the crowd to see during a ceremony in the capital Juba on July 9, 2011 to celebrate South Sudan's independence from Sudan. PHOTO | AFP
Kiir and Machar were on the same side in the push for independence from Khartoum but ethnic and political rivalries drove them apart.
By December 2013 the country had descended into civil war marked by ethnic massacres, widespread rape, the recruitment of child soldiers and other forms of brutality.