A 35-year-old man has died suddenly in a Swansea city centre property.
The man was found in a Strand Mews flat on Monday, October 14, at 4.56pm.
An ambulance crew was the first at the scene, responding to reports of a "medical emergency" with two rapid response vehicles.
South Wales Police arrived at 5.05pm and Mid and West Wales Fire and Rescue Service two minutes earlier.
A spokesman for the fire service said a gas cannister was involved and they were called to ensure the safety of the scene.
A spokeswoman for South Wales Police said: "We were called by the ambulance service to the sudden death of a man in a property in Strand Mews, yesterday at 5.05pm.
"The death is not being treated as suspicious and is being referred to the HM Coroner."
A Welsh Ambulance Service spokesperson said: “We were called yesterday at approximately 16:56 to reports of a medical emergency on the Strand, Swansea.
"We responded with two rapid response vehicles.”
