The scale of efforts by oil companies and public bodies to protect their premises from environmental protesters can be revealed in new BBC analysis.

More than 400 demonstrators are named in court orders that restrict protests at more than 1,200 locations, the data gathered by File on 4 shows.

The civil injunctions - in force at places like oil terminals, petrol stations and racetracks across England and Wales - also apply to “persons unknown”, meaning anyone could be prosecuted.

The enforcement of civil injunctions has been reported before, but our analysis is the first time the extent of their use has been calculated.