Mr Ireson was exploring the mine shaft when he lost consciousness
A caver who was rescued from a mine shaft in Edinburgh has died.
Peter Ireson, 37, from Livingston, died in hospital on Sunday evening after getting into difficulties on Thursday at the Wisp in Craigmillar.
He had been exploring the mine shaft when 30ft down the oxygen depleted to just 5%. Air should be about 21% to enable people to breathe properly.
The Grampian Speleological Group member was unconscious when he was taken to Edinburgh Royal Infirmary.
It is understood Mr Ireson was in the shaft for about 45 minutes before he was pulled out.
A Lothian and Borders Police spokesman, said: "There are no suspicious circumstances surrounding his death, and a report will be sent to the procurator fiscal."