A group of Luton youths have been arrested following an altercation with another group in Flitwick.
Bedfordshire Police is investigating the incident which happened on Wednesday.
A group of youths were approached by a larger group of around 20 young people at the skate park in the recreation ground on Temple Way.
The confrontation took place at around 3pm and it was reported some of the larger group were carrying knives.
The offenders made off towards Flitwick railway station where they boarded a train, getting off at Harlington.
Seven youths aged between 14 and 15, all from Luton, were arrested at the scene but police would like to speak to anyone with information about the incident.
Detective Constable Paul Breed, investigating, said: “We have made a series of arrests in connection with this incident but would like to hear from anyone else who may have witnessed this event in Flitwick or Harlington on Wednesday afternoon who has not yet come forward.”
Anyone with any information should call DC Breed on the police non-emergency number 101, text information to 07786 200 011 or call Crimestoppers, anonymously, on 0800 555111.