Security Measures Arrests Riot Control Subway Safety Order Restoration Neighborhood Disturbance Protest Monitoring Street Closures Increased Security Heavy Police Presence Campus Policing Crowd Control City Security Protests Aircraft Security Tactical Units Old City of Jerusalem Cenotaph Security South of Market London Protests San Francisco Cop Cars Fort Worth Police Department Belfast Swatting Massive Police Presence 800 Police Officers Armed Officers Public Order Act K-9 Units Commission Hearings Security Team Security at controversial film screening Increased Patrols Deployment of Officers State of Emergency