From file: Migrants repeatedly try to cross the Evros river between Turkey and Greece | Photo: Mehdi Chebil/InfoMigrants
From file: These are some of the migrants who were transported from the Lampedusa hotspot to ease overcrowding recently. It is not known if this is the same group who were on the buses | Photo: Alessandro Serranó / Avalon / picture alliance / photoshot
From file: Migrants in a detention center in Libya | Photo: EPA/STR
A general view of the European Court of Justice (ECJ) in Luxembourg | Photo: ARCHIVE/EPA/JULIEN WARNAND
From file: A destroyed rubber boat in the Mediterranean Sea | Photo: Fabian Heinz/Sea-Eye
From file: The bodies were discovered near Libya's border with Sudan | Photo: picture-alliance/AA
A view of the 'Gran Ghetto' of Rignano, in the province of Foggia in Puglia, which hosts nearly 1,000 foreigners, mostly farmworkers | Photo:  ARCHIVE/ANSA
From file: Police officers in Italy | Photo: ANSA
From file: The Evros River delta, June 20, 2021 | Photo: picture alliance/ANE/Eurokinissi/Antonis Lamprou
From file: Members of the Turkish Coast Guard help rescued migrants, who were allegedly pushed back from the Greek side, as they arrive in the Ayvalik district in Balikesir, Turkey, 10 April 2021 | Photo: Erdem Sahin /EPA