Officers were called to a property on Hawkstone Road at around 1.30pm, where the pensioner was discovered following what police described as a “sudden death”.
A man in his forties has been arrested on suspicion of murder and is currently in custody as detectives work to piece together what happened.
The quiet residential street has been flooded with police activity, with officers carrying out door‑to‑door enquiries and a cordon expected to remain in place into the evening.
Dyfed‑Powys Police said an investigation is underway and urged anyone with information to come forward.
Locals have been told to expect a continued police presence while forensic teams and specialist officers examine the scene.
A spokesperson for Dyfed Powys Police said:
“We were called to a report of the sudden death of an 85-year-old man in a property in Hawkstone Road, Pembroke Dock, at approx. 1.30pm this afternoon (Friday, February 6).
“Officers attended the scene and an investigation is underway. A man in his forties has been arrested on suspicion of murder and is detained in police custody whilst enquiries continue.
“Locals will see increased police activity in the area whilst the investigation progresses.”
Anyone with information that could help the investigation is asked to contact police quoting reference 212 of 6 February.
Information can be passed via the Dyfed‑Powys Police website, by emailing 101@dyfed‑powys.police.uk, sending a direct message on social media, or calling 101. Crimestoppers can also be contacted anonymously on 0800 555 111.
