A refugee girl who fled conflict in Sudan's western Darfur region stands outside a classroom at Djabal camp near Gos Beida in eastern Chad June 11, 2008. Reflecting the violence in Darfur that has swept in both directions across the Chad-Sudan border, there are 250,000 Sudanese refugees scattered in a dozen camps in eastern Chad and 180,000 internally displaced Chadians, U.N. officials say. REUTERS/Finbarr O'Reilly (CHAD)