US : U.S. says it has contributed $ 34 million to help refugees . South Sudan will celebrate its first anniversary amid a worsening refugee crisis . About 500 refugees from Haiti have crossed the border . The agency has been running a substantial emergency medical operation for the refugees in Upper Nile State . Medecins Sans Haiti describes horrific living conditions in the camps .
US : U.S. says it has contributed $ 34 million to help refugees . South Sudan will celebrate its first anniversary amid a worsening refugee crisis . About 500 refugees from Haiti have crossed the border . Medecins Sans Haiti describes horrific living conditions in the camps .