Cumbria and Durham police say they have successfully disrupted a threat of serious violence at the Appleby horse fair.
They say that following a successful operation twenty people were arrested on suspicion of conspiracy to cause grievous bodily harm as they travelled into the area.
The police are appealing to people not to bring their disputes to the event, which attracts thousands of people.
More top news
A look ahead at the forecast for the Border region.
Cumbria Police have been praised for the way they work with victims of crime, according to a new report by HMIC.
A mental health ward in Kendal is to remain open until the outcome of a delayed public consultation into its future.