A woman holds her hand over her face. She is from the nearby village of Bamtara which was burned down in an attack by armed raiders. The villagers fled to the forest and have been in hiding ever since. In northern Central African Republic an estimated 125,000 people have fled into the forests following attacks by marauding armed groups. The region's poor infrastructure and lack of security means that international humanitarian organisations face a formidable task in supplying aid to the local population.