Gwent Police has launched a murder investigation following a report that a man had received serious injuries at an address in Trevethin.
Officers attended a property in Bythway Road, Trevethin at around 4.55pm on Thursday 23 April alongside paramedics from Welsh Ambulance Service and Welsh Air Ambulance.
A 74-year-old man from Trevethin was pronounced dead at the scene; his family have been informed and are being supported by specialist officers.
A 37-year-old man from Cwmbran has been arrested on suspicion of murder and is currently in police custody.
Senior investigating officer, Detective Chief Inspector Neil Blyth said:
"We would like to reassure the communities of Trevethin that we are doing everything we can to establish the circumstances surrounding his death.
"We understand that reports of this nature can cause concern, however we have arrested a man from the area who was known to the victim, and we are not looking for anyone else in connection with this incident.
"It is important that people do not speculate about the identities of those involved or the circumstances surrounding the incident as this could present problems to our investigation, and we encourage anyone with information to please contact us in the usual ways."
Anyone with information can contact us by calling 101, sending a direct message on social media or via the form on our website and quoting log reference 2600125343.
There is also a section of the major incident police portal (MIPP), where the public can submit information, dedicated to our investigation into this and a link to that can be found here.
You can also call Crimestoppers anonymously on 0800 555 111.
We have made contact with the Independent Office for Police Conduct (IOPC) and a referral will be submitted in line with standard procedures.
