Outside a rough shelter in a forest clearing a mother holds her baby and looks down at a sick child lying on a matt on the ground while a group of children look on. They are all from the nearby village of Bamtara, burned down in an attack by armed raiders. The villagers fled to the forest and have been living 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.