Police were called by the organizers, but the two, then five, officers were ignored by the protesters, who were only removed after another 20 police officers arrived, allowing the talk to go ahead an hour late.<ref>Wieland, 2008</ref> | Police were called by the organizers, but the two, then five, officers were ignored by the protesters, who were only removed after another 20 police officers arrived, allowing the talk to go ahead an hour late.<ref>Wieland, 2008</ref> |