Interesting piece here by Rory Rowan. A couple of excerpts:-

if these protests have rinsed the smile from Cameron’s face and applied the defibrillator of dissensus to the heart of British democracy they also raise questions about the strategies of protest adequate to a police regime reared on football hooliganism and ‘event management’…

Part of the problem of approaching police kettling is that the phenomenon has not been fully understood. Although it may at first seem the grossest form of numbskull territorialisation it is in-fact a more complex spatial strategy that works precisely within the same logic of concentration and spectacle as symbolic protest. It is important therefore to unpick the logic of the kettle in relation to symbolic protest…