The European commissioner, Brunner, has expressed criticism regarding a recent move by Sánchez. This criticism comes as the European Union is taking a harder stance on migration policies. Brunner's role is in the area of migrations, and he emphasizes the importance of protecting other countries.

He notes that migration is a matter of state competencies. Further details on Brunner's comments and the context of the situation can be found in the original source, which provides more information on the European Union's migration policies and the commissioner's statements.