A murder investigation is under way after the death of a 21-year-old man in Cheshire.
Police were called to an address in Wilderspool Causeway, in Latchford, Warringon, at about 2.50am on Saturday.
The victim was taken to Warrington General Hospital with "serious injuries", and died a short time later.
Detective Inspector Adam Waller, of Cheshire Police's major investigation team, said: "At this stage, the incident appears to be isolated and inquiries are ongoing to establish the exact circumstances of what took place.
"A 31-year-old man has been arrested on suspicion of murder and will be assisting officers with their investigation.
"I would urge anyone who may have witnessed what happened, saw anything suspicious or unusual, or has any information which could assist officers with their enquiries, to contact us on 101."
A formal identification of the 21-year-old man has yet to take place.
Local officers remain in the area to provide reassurance to the community, said police.
Information can also be passed on anonymously by calling Crimestoppers on 0800 555 111. 161338 JUN 18