As the sun set over Kosti last week, Noha Kamal arrived in the Sudanese city south of the national capital, Khartoum, clutching little more than her seven-year-old daughter, Ihsan, her newborn twins, and a few plastic bags. As fighting escalated in South Kordofan state, the diabetic 34-year-old mother of three fled the state capital of Kadugli, leaving behind an unfinished brick house and her husband, Muhammad Abdullah, who was away on a business trip. She did not know whether he was alive. When she reached Kosti, a city of about 460,000 people in the White Nile state with more than 42 shelters and nine displacement camps, she expected to find a United Nations reception centre that would provide her with shelter, food and medicine. Instead, a resident led her to a government school conv...