Eight men and one boy were arrested after a suspected stabbing in Cheltenham on Sunday.
A man suffered a suspected stab wound to his back at 11pm last night near lower Cheltenham High Street.
Three men aged 18, 21 and 25 and one 17-year-old boy were arrested on suspicion of attempted murder.
Another 18-year-old man from Oxford was arrested on suspicion of grievous bodily harm and a 23-year-old man from Cheltenham was arrested on suspicion of grievous bodily harm.
A 20-year-old man from Cheltenham was arrested on suspicion of possession of an offensive weapon and possession of a class B drug.
A 22-year-old man from Evesham was arrested on suspicion of possession of an offensive weapon and affray.
All remain in custody, and police believe all those involved knew each other.
The injured man was taken to Southmead Hospital by the ambulance service at 11:50pm. He has since been released and is in a stable condition.
Police are appealing for witnesses and anyone with information about the incident is asked to call police on 101 and quote incident 466 of 3 May.
You can also provide information anonymously by calling independent crime-fighting charity Crimestoppers on 0800 555 111.