He is the seventh of his siblings and was born a few weeks after the start of the war between Israel and Hamas. With his chubby chin, clenched fists and wide, dark eyes, Mohammed Kullab is only a few days old. His mother stares at him impassively. "There is nothing here to take care of a baby," laments Fadwa Kullab, who left her home in Rafah with her family to take refuge in a UN school.