The rally was dedicated to the memory of communists Karl Liebknecht and Rosa Luxemburg.
The participants of the demonstration spoke out against arms supplies to Ukraine, as well as in support of Yemen and Palestine. Anti-Semitic slogans were heard in the crowd.
When police officers tried to stop a car with a loudspeaker, the protesters attacked them.
According to BILD, at least 21 police officers were injured. There are also casualties among the demonstrators.
