> The link is police abusing their allowed powers to silence free speech and protest.

If you'd actually read the post you'd know that its about the the US ambassador being an asshole and the Belgian police doing their job (quickly removing a supposed 'active threat' from an event - because that's the only information they had - they later realized their mistake and that the 'active threat' was just a journalist asking inconvenient questions - but at that point the damage was done and the journalist wasn't let back into the event.