Here's a quote from a moderator on that police forum, when challenged by the photographer that only a small majority of protesters were breaking the law:
Oh well that's me convinced. In that case all police actions were definately justified...
The actual number of people committing offences was virtually all of them. My understanding is that the organisers did not get permission for this demonstration. If that is the case, they were all breaking the law.
Oh well that's me convinced. In that case all police actions were definately justified...