A post-mortem examination has revealed that a man who was found seriously injured in Bilborough died from a gunshot wound.
The victim, who has not yet been formally identified, was taken to the Queen's Medical Centre in Nottingham but later died.
A 32-year-old man has been arrested on suspicion of murder.
Inquiries are ongoing to establish what happened.
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A cloudy night across the region with sporadic showers throughout the evening and night.
Cloud thickening with outbreaks of rain becoming more persistent with brisk breezes blowing across the region.
A man has received a death threat which was addressed to his neighbour after he left a letter on an ambulance that had blocked his drive.