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 weekend forecast for the Border region - and things are getting colder!
The anti-racism body's concerned about Hartlepool supporters' plans for a Bob Marley fancy dress theme, against Carlisle United on Saturday.
Police say no prosecution will take place into the death of Joshua Titcombe or any other babies at the maternity unit at Furness General.