Sussex Police has responded to campaign group Frack Off, after it posted a picture of police dressed in riot gear at the drilling site in Balcombe, West Sussex.
@frack_off As we have stated previously, our officers must be ready for any potential incident at the site.
Green MP Caroline Lucas was among those arrested at a sit-in aimed at halting plans to drill for shale gas in a West Sussex village.
As campaigners in Balcombe begin a five-day camp in protest at fracking, supporter Tisha Brown tells ITV News why it's such a crucial issue.
The chief executive of Cuadrilla Resources, Francis Egan, told ITV News the company "will complete our approved work" at its Balcombe site.