'Your papers, please' must never be heard in America
Frontex (from French: Frontières extérieures for "external borders", legally: European Agency for the Management of Operational Cooperation at the External Borders of the Member States of the European Union) is the European Union agency for external border security. It is responsible for co-ordinating the activities of the national border guards in ensuring the security of the EU's borders with non-member states. Frontex is headquartered in Warsaw, Poland. - Source: Wikipedia

Greece has been hit by a "devastating" wave of illegal immigration from chaos induced by Arab Spring uprisings in North Africa and continued instability in South and Central Asia, according to Athens' Ambassador to the United States Christos P. Panagopoulos.

Border police jeeps hurtle along hot, dusty tracks past potato fields on their way to the river that marks the Greek-Turkish border. Sirens blaring, the convoys have been repelling wave after wave of migrants.