Former French president Nicolas Sarkozy said Monday in the wake of Paris terror attacks that immigration, "if it is not linked to terrorism... complicates things".

"The question of immigration will be the subject of an extremely deep debate because we cannot continue like this. Immigration, which we have such problems coping with, creates the problem of integration, which creates communitarianism," where people identify with their own community. And people like those who carried out the attacks which killed 17 people last week can conceal themselves within this communitarianism.