EU and Balkan leaders hold emergency talks on refugees

European Union and Balkan leaders are holding emergency talks on Europe's refugee crisis amid threats from three frontline states to close their borders if northern EU countries stop accepting refugees.

The summit on Sunday, called by European Commission President Jean-Claude Juncker, groups the heads of 10 EU nations, including German Chancellor Angela Merkel, in addition to the leaders of Albania, Serbia and Macedonia.

The meeting came after Bulgaria, Romania and Serbia on Saturday warned they would not allow themselves to become a "buffer zone" for the tens of thousands of arrivals streaming into Europe.

"All three countries... are ready if Germany and Austria and other countries close their borders [...], we