A newborn lamb was shot dead in a field in Hurley on Wednesday night.
The shooting is believed to have happened between 7pm and 7am on Thursday.
The body of the animal was left at the scene just off the High Street.
A police spokeswoman said it is thought the incident may have happened accidentally when someone was shooting rabbits.
Contact police on 101 or Crimestoppers on 0800 555111 with information.
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The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.