Dr Anders Widfeldt, a lecturer in Nordic Politics at the University, has written an article for The Conversation entitled Why is Sweden tightening its borders after years of welcoming migrants?
If you are interested in this subject more information can be found on European Sources Online (ESO). Started and maintained by Ian Thomson of The European Documentation Centre at Cardiff University, this is one of the most comprehensive sources of information available on the EU, the countries of Europe and the issues of concern to their citizens. ESO collects information from a wide variety of reliable sources from all over the web and is updated on a daily basis.
Information from the European Union on migration is available here.