12-year-old Gabriel hasn’t seen his father, who is fighting on the frontline, for five years. Like thousands more, Gabriel waits for the plane to come and drop the sacks of sorghum from the World Food Programme. In Agangrial, deep in Southern Sudan, the war has devastated the country and pushed the population to the brink of starvation. Pictures from the war zone that show desolation and poverty, but also hope.