Security at the Derby and Royal Ascot will be stepped up amid fears that animal rights activists will strike again after disrupting the Grand National, the Guardian understands.
However organisers remain particularly concerned that it will be difficult to stop the protesters getting on to the Derby course on 3 June – given the vastness of the Epsom grounds and the opportunity to get close to the track via “The Hill”, an area that is not ticketed and is free to access for spectators.