The cost of policing the anti fracking protests in Balcombe is more than £4m and ,despite some help from the government, much of the bill will fall to Sussex Police.
Today the energy minister announced there are potentially 40 more drilling sites to explore for shale gas nationwide. So how much more will police forces have to fork out? John Ryall reports.
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Friday night's forecast for the east of the region
Friday night's forecast for the west of the region