Edited later to add:
The original press release seems to be gone now, but here is what is claimed to be the revised release, and an article on the same topic.
https://www1.wdr.de/nachrichten/polizei-dortmund-greta-gewaltbereit-100.html
https://www.yahoo.com/news/german-politician-calls-greta-thunberg-102611513.html
Good for Dortmund police. Palestine protests were disruptive nonsense I experienced first hand in Berlin.
Meanwhile your Nazi friends actually set fire to monuments and historic landmarks and people somehow still blame refugees.
Fuck you.