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
It's official Autumn but has anyone told the weather? Find out what to expect over the next few days.
It will be another mostly dry and fine day with some sunny spells and light winds.
Feeling pleasantly warm, with temperatures a little above average.