He is entitled to his opinion. We can only say that we have no concrete evidence that an attack is planned.

We are already doing various things against human trafficking and forced prostitution, and for the World Cup we are aware more than ever that we have to fight this problem.

First there were doubts about the security of the stadiums and at present we are dealing with human trafficking, forced prostitution and right-wing extremism.

That's still under discussion. It requires a change in Germany's Basic Law.