European Union ministers are discussing new measures which could restrict people's movement across the continent. Much of the debate has been prompted by an influx of migrants from North Africa.
The far right has been using this to its advantage. Denmark is only one of many European countries where the far right appears to be influencing government immigration policy.
Despite a low crime rate, the government says it is so concerned about the link between foreigners and crime that it is going to bring back border controls.
Al Jazeera's Laurence Lee reports from the Danish capital, Copenhagen.