 This incident sparked a major public discussion on station safety and security , mainly because the station was <unk> when the suspects <unk> Ali on the platform . The only security present was CCTV cameras , and the ticket barriers were left open allowing the suspects to enter the station freely . Many high @-@ profile politicians spoke on the issue of station safety and called on rail companies to provide security or staff the station until the last train had left the station . The Mayor of London , Ken <unk> assailed <unk> , the train company who managed the station , for not providing all @-@ night staffing or security . The new provider of every franchise across the rail network will have to provide staff at all times the station is open . 
