The US ambassador to the United Nations, Linda Thomas-Greenfield, announced over $200 million in additional humanitarian assistance to Sudan. In April, world leaders had promised more than $2 billion in aid but only about a quarter of that money has been received. Fighting between Sudan's official army and a rival paramilitary group broke out in April of last year, sparking what many call the world's worst humanitarian crisis. Story by Eliza Herbert and Olivier Faissolle.
