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.
More top news
Winds will remain strong throughout the day, feeling bitterly cold.
Strong, bitterly cold winds, staying mostly dry.
Police say they're increasing concerned for 12-year-old Shane Pinder who went missing after he finished school in Birmingham on Friday.