Barry Soper: Newstalk ZB senior political correspondent on the crowds of protesters dispersing from Parliament grounds - Heather du Plessis-Allan Drive

Authorities are urging Hīkoi mō te Tiriti attendees to travel safely as their journey home begins.

It's estimated at least 42,000 people gathered at the Parliamentary precinct and in the surrounding streets to protest the contentious Treaty Principles Bill.

Newstalk ZB senior political correspondent Barry Soper says the protestors were polite and restrained at today's event.

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