A 28-year-old man was found dead in a field in Ryeish Green.
Thames Valley Police discovered the man's body near Hyde End Lane at around 6.35am on Saturday, November 16.
The force has not yet been able to contact his family.
Sergeant Sunny Sood said: "We are investigating the circumstances of the man’s death, which is currently being treated as unexplained.
"We are working to inform his next of kin but have been unable to so far, so I would like to urge the public to not speculate about the death on social media.
"We have now left the scene after completing our enquiries there, but the investigation is ongoing.
"We are not aware of any threat to the wider public but please contact us if you are concerned.
"I also urge anyone with any information about this unexplained death to please contact us."
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