Police have launched a murder investigation after a man found in cardiac arrest at a Stoke-on-Trent house later died.
Officers were dispatched to Nellan Crescent in Smallthorne at around 5am on Saturday.
On arrival, a 44-year-old man, who police have named as Keith Robert Rowlands, was found in cardiac arrest.
He was rushed to hospital by paramedics, but nothing could be done to save him and he died later that day.
A post-mortem examination took place yesterday but further tests will be carried out after it returned an inconclusive result.
A 27-year-old Stoke-on-Trent man was arrested on Saturday on suspicion of murder and has since been released on bail as inquiries continue.
Detective Inspector Alan Lyford, of Staffordshire Police’s Major Investigations Department, said: “We would like to reassure the community that we believe this was an isolated incident.
“We are in the early stages of the investigation and would like to hear from anyone with any information.
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“Keith’s family are being supported by specially-trained officers and they ask for their privacy to be respected at this tragic time.”
Anyone with information is asked to contact Staffordshire Police on Facebook, Twitter, or call 101, quoting incident number 130 of December 19.
Alternatively, contact Crimestoppers anonymously on 0800 111 555.