EU Commission President Jean Claude Juncker (R) welcomes Hungary Prime minister Viktor Orban prior to an European leader's meeting on refugee flows along the Western Balkans route at the European Commission in Brussels on October 25, 2015. European Union and Balkan leaders faced a make-or-break summit today on the deepening refugee crisis after three frontline states threatened to close their borders if their EU peers stopped accepting migrants. AFP PHOTO / JOHN THYS / AFP PHOTO / JOHN THYS