Thames Valley Police is appealing for witnesses following a fight on a forecourt in High Wycombe.
Three or four men were in an altercation with another man on Friday July 17 at the BP garage in West Wycombe Road at around 11.30pm.
One man, aged 33, from High Wycombe has been arrested on suspicion of a public order offence.
Investigating officer detective sergeant Peter Cave, based at High Wycombe police station, said: “We are appealing for witnesses to this incident to come forward.
“If you have information which could help, please get in touch.
“You can call the non-emergency number 101 or make a report online and use the reference number 43200219733.
“If you would prefer to remain anonymous, you can contact the independent charity Crimestoppers on 0800 555111.”