Police say a sudden death in King's Lynn is not being treated as suspicious.
Emergency services were called to a property in Thurlin Road, Gaywood, just after 10am.
A Magpas air ambulance also attended the scene, landing on nearby Oak Circle.
A spokesman confirmed the incident was a sudden death and there were no suspicious cirumstances.
An East of England ambulance spokesman said: "We were called at 10.14am with reports of a cardiac arrest in Thurlin Road, Gaywood.
"We sent two ambulances, two ambulance officers, a rapid response vehicle and Magpas Air Ambulance.
"Sadly, despite our best efforts, the patient died at the scene."
No more details about the deceased have so far been released.
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