Halloween celebrations in Switzerland turned into violent street riots and demonstrations on October 31. In Zurich, far-left groups were reported to have used the Halloween gathering as a cover for unrest, setting up barriers with trash cans and electric scooters, setting fire to vehicles and objects, and attacking police with fireworks, rocks and bottles. The police responded with water cannons, tear gas and rubber bullets.

Halloween celebrations in Switzerland turned into violent street riots and demonstrations on October 31. In Zurich, far-left groups were reported to have used the Halloween gathering as a cover for unrest, setting up barriers with trash cans and electric scooters, setting fire to vehicles and objects, and attacking police with fireworks, rocks and bottles. The police responded with water cannons, tear gas and rubber bullets.