LATEST:

6:00pm: Unconfirmed reports of clashes with police

5:30pm: A new report states that the 500-600 activists are marching to join the pre-planed rave/rally at Bürkliplatz by the lake.

5:10pm: A report just came in that 500-600 activists on a train from Landquart just arrived at a Zurich train station are surrounded by police with tear gas guns drawn.