Swindon Police have arrested a fourth person in connection with the fatal stabbing of Lee Turner.
A 17-year-old boy was arrested in the London area last night - 19 October - and is being held on suspicion of murder.
He is currently in custody at Gablecross Police Station.
Another 17-year-old boy, who cannot be named for legal reasons, has already appeared in court charged with murder and possession of an offensive weapon.
He has been remanded in custody ahead of his next court appearance on 19 November.
Two other men arrested in connection with the incident in Swindon on 10 October have been released while enquiries continue.
A police spokesperson said Mr Turner’s family had been informed of the latest development.