European Commission President Jean-Claude Juncker says the body will unveil new proposals in September on ways of protecting the EU's external borders.
At the meeting of the EU interior ministers in the city of Innsbruck most of the ministers expressed reservations about the Austrian plan in the file of asylum.
German Chancellor Angela Merkel comes under fire from EU partners after she agrees to push back migrants in a last-ditch deal to save her fragile government.
EU leaders clinch a migration deal during all-night talks that Italy's hardline new PM said meant his country was "no longer alone" in shouldering the responsibility for migrants.
Can EU leaders overcome rampant euroscepticism, deep divisions on migration and Britain's looming departure to show a common front at their next summit?