A man in his sixties remains in hospital following an altercation with two men at a Co-op store.
The gentleman was hospitalised after he lost consciousness at the store on Twist Way at 6.25pm on July 28.
Police have confirmed he remains in hospital at this time (1pm, July 30) following the altercation.
A 15-year-old boy from Slough, arrested following the incident on suspicion of wounding with intent, has been released on police bail until August 25.
Detective Constable James Wallis, of Slough CID, said: “We are appealing to anyone who may have witnessed this incident or who may have information about what happened to please come forward.
“Also, we’d ask anyone in the local area who may have dash-cams or CCTV to check the footage in case it has captured something that could assist with the investigation.
“Anyone with information can contact us online or by calling 101, quoting reference number 43220325547.
“Alternatively, if you wish to remain anonymous, you can contact the independent charity Crimestoppers anonymously by calling 101 or online.”