Thames Valley Police is appealing for witnesses to an incident of affray in Milton Keynes.
The incident occurred at around 4.30pm yesterday (28/9) in Swinden Court, Heelands, Milton Keynes.
A group of six to eight men were seen running around with knives, with one of the group appearing to be chased by the others.
The group then moved towards the Bradwell area of Milton Keynes.
A 20-year-old man, a 19-year-old man, an 18-year-old man, three 17-year-old boys and a 15-year-old boy, all from Milton Keynes, have been arrested in connection with this incident.
Investigating officer, Detective Constable Joanna Hudson, based at Milton Keynes police station, said: “I am appealing to anybody who witnessed this incident to please get in touch with Thames Valley Police.
“I would also ask anyone who was in the area at the time of the offence to check their dash-cam footage.
“You can contact us by making a report online or by calling 101, quoting reference number 43220435968.
“You can also call the independent charity Crimestoppers anonymously on 0800 555 111.
“There will be an increased police presence in the area while our enquiries continue, and if you have any information or concerns, you can speak to any of our officers.”