Germany’s public prosecutor is to take action following a demonstration organized by Islamists with more than 1,000 participants in Hamburg at the weekend. The individual slogans and banners will be examined for criminal offences, police chief Falk Schnabel told public broadcaster ZDF on Monday. “However, it is also a fact that our Basic Law also allows extremist demonstrations with regard to freedom of assembly and freedom of opinion,” he added. The right of assembly is structured in such a way that it is not primarily about allowing or banning certain opinions, he said. “We are the police, o…