 "People walk past police vans outside Antwerp Central train station in Antwerp, Belgium on Saturday, June 18, 2016. Police and the bomb squad unit responded to a suspect package in the Antwerp station. (AP/PTI)")
The car and knife assault on Westminster is the latest in a long line of attacks targeting Western cities. It raises new questions about how to respond proportionately to demands to increase security in urban centres.
Since the early 1990s, London has led the way in advancing counter-terrorist security in the form of “rings of steel”. In the financial zones of the City and Docklands there are strategically positioned entry checkpoints, bollards and hi-tech surveillance combined with vigilant and visible policing at times of high threat.
Since the early 1990s, London has led the way in advancing counter-terrorist security in the form of “rings of steel”. In the financial zones of the City and Docklands there are strategically positioned entry checkpoints, bollards and hi-tech surveillance combined with vigilant and visible policing at times of high threat.
In the last decade, additional measures have been deployed throughout
