The organisers say around 4,000 people have moved into this camp. At its edge, armed forces stand guard. They look professional in their black uniforms, labelled with army badges. But these are not regular soldiers. They are members of the paramilitary Popular Mobilisation Forces, an umbrella group of mainly Shia militias that set up the Fatah alliance. One poses proudly for the camera, not seeming to realise the contradiction in the US patch he has chosen to emblazon across his chest.
