The Maljevac border crossing near the northern Bosnian town of Velika Kladusa, where migrants passing through Bosnia on their way towards the European Union are on the rise. Milan Radulovic / AFP 
The Maljevac border crossing near the northern Bosnian town of Velika Kladusa, where migrants passing through Bosnia on their way towards the European Union are on the rise. Milan Radulovic / AFP 

European Union breaking international law with its treatment of migrants and refugees, warns watchdog