More than half the people in this nation of 50 million are suffering from severe hunger. Hundreds are estimated to be dying from starvation and hunger-related disease each day.

But life-saving international aid – cooking oil, salt, grain, lentils and more – is unable to reach millions of people who desperately need it. Among them is Raous Fleg, a 39-year-old mother of nine. She lives in a sprawling displaced persons camp in Boram county, in the state of South Kordofan, sheltering from fighting sparked by the civil war between the Sudanese army and a paramilitary called the Rapid Support Forces.

Since Fleg arrived nine months ago, United Nations food aid has gotten through only once – back in May. Her family’s share ran out in 10 days, she said. The camp, home to an estimated 50,000 people, is in an area run by local rebels who hold about half the state. The Sudanese army won’t let most food aid cross the lines of control into the area, aid officials say.