Schengen

Many of the perpetrators of major attacks in EU countries crossed the bloc's external boundaries, the report says.

Berlin attacker Anis Amri traveled through four EU countries before Italian police shot him dead.

After high-profile failures, Europe must adopt a more coordinated approach—just like the U.S. Department for Homeland Security did after 9/11.

The plan has been under consideration since at least March.

Border lies at the north of the passport-free Schengen zone.

British right-wing party says immigration policy puts people in danger.

The European Council President also assured Greece that Brussels would not abandon the country.

Members from Poland's Kukiz-15 party said the project could cost $55 million.

The EC has urged the country to do more to protect the EU's external border.

EU countries have been increasingly critical of Athens' handling of the continent's worst migration crisis since World War Two.

Business leaders say changing the country's liberal immigration policy could cost it $11 billion a year.

The European Commission is considering allowing passport checks in the free-movement zone.

The country's chancellor warned Sunday that a failure to secure Europe's external borders could threaten the union.

The country joins a growing number of European nations that have erected fences in an attempt to contain the continent's migrant crisis.

The 30-year-old agreement guaranteeing freedom of movement is being severely tested by the refugee crisis.