Dutch far-right leader Geert Wilders has condemned the unrest, calling the rioters "idiots." An anti-immigration protest in The Hague turned violent on Saturday, just over a month before the Netherlands holds a general election. Dutch police used tear gas and a water cannon to disperse the crowd, according to a spokesperson for the local government. The violence erupted at a demonstration organized by a right-wing activist known online as "Els Rechts" in demand of tougher migration policies. Dutch snap election set for October 29The unrest in The Hague comes as the Netherlands prepares for a snap election next month.