Reaktion der Sicherheitsbehörden auf Blockadeaufrufe gegen den AfD-Bundesparteitag

This question asks about the actions taken by security authorities in response to calls to blockade a national conference of the Alternative for Germany (AfD) party. It seeks to understand the legal basis and extent of these security measures. The focus is on the proportionality and necessity of the security response, considering potential impacts on freedom of assembly and expression for all involved parties.