The rail connection between Denmark and Germany currently being constructed across the Fehmarn Belt faces delays of several years, according to reports in both countries.
Since September, the Federal Police have been carrying out checks at all German land borders. The federal police commission has heard increasing complaints about officers allegedly racially profiling those that they check.
The president of a leading German research institute says immigration policies have an effect on scientific research - and he believes dual citizenship in Germany can help attract scientific talent from around the world.
A Danish-German representative in the German parliament has complained to Denmark’s government over ongoing controls on the border between the two countries.