The skirmish at Posie Parker's weekend rally has opened up a debate about the limits of free speech.
Controversial anti-trans activist Posie Parker was forced to abort her attempted event after counter-protestors clashed and Posie Parker was doused in tomato juice and escorted out.
The Free Speech union has written to the Police Commissioner about Saturday's events, as they believe the actions of the counter-protestors go beyond exercising free speech.
Free Speech Union chief executive Jonathan Ayling says the union has always condemned violence, be it at the protest at Parliament or this weekend's rally.
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