Serbia's Prime minister Aleksandar Vucic (R) and European Commissioner for Migration, Home Affairs and Citizenship Dimitris Avramopoulos speaks at the opening of 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 / EMMANUEL DUNAND (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)
