A car on the main road connecting the capital, Bangui, with the north of the country, passes a man standing at the roadside. An anti-gun sticker has been placed in the car's windscreen. 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.