Two men from Luton have been arrested on suspicion of murder after a 24-year-old man was stabbed to death on Sunday.
Police were called to an altercation between a group of men in Barry Avenue, Windsor, at 3.09am.
A man was stabbed and taken to Wexham Park Hospital in Slough where he later died from his injuries.
Thames Valley Police released CCTV images of two potential witnesses to the incident.
Det Chief Insp Vince Grey said: “I would like to speak to the two men captured on CCTV, as they may have witnessed the incident.
“It was very busy on Saturday evening into Sunday morning in Windsor, and I would appeal to anyone who was in the Bridgewater Terrace or Goswell Road area around the time of the altercation to contact the police.”
The men from Luton are aged 21 and 26, and were arrested along with a 21-year-old man from Leighton Buzzard, a 27-year-old man from Harrow and a 26-year-old man from London.
The victim is yet to be formally identified.
If you have any information please contact Case Investigator Ian Walker via the Thames Valley Police Enquiry Centre on 101.
If you don’t want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.