Large number of migrants and refugees are still trying to make their way to countries like Austria and Germany. But across the European Union, border posts are being closed and fences put up. The current pinch point is the border between Serbia and Croatia. Serbia is not in the European Union, but Croatia is. It's now shut most of its border crossings. Dr Ivan Grdesic is Croatia's ambassador to London.

(Photo: Migrants Arrive In Tovarnik, Croatia. Credit: Jeff J Mitchell/Getty Images)