A hotel waiter is fighting for his life after an alleged respiratory arrest failure at the resort’s pool.
Horrified swimmers spotted the man floating in the water after trying to hold his breath for a long time.
It is believed that in his 30s, the Spaniard regularly practiced this technique, which is said to promote health and well-being.
A source said of the horror at the luxury Portavadie Spa near Tighnabruaich, Argyll: “It is a terrible tragedy and has shocked everyone in the hotel and everyone who saw it.”
“Everyone is hoping and praying for the best.”
The worker was flown to Queen Elizabeth University Hospital in Glasgow in critical condition.


Police have cordoned off the pool while they investigate the incident, which took place Thursday afternoon.
The award winning resort on Loch Fyne was packed with visitors enjoying the school holidays. It features an adjacent marina and indoor and outdoor infinity pools.
A source said: “Apparently this waiter was holding his breath underwater for an extended period of time but something went tragically wrong.
“Eventually he was seen floating face down in the pool. He was taken out and a rescue helicopter was dispatched. He’s still in the hospital.
A spokesman for the Scottish Ambulance Service said: “We received a call at 1.28pm on 29 June to witness an incident in Portavadie, Tighnabruaich.
“We dispatched two ambulances and the Helimed to the scene of the accident and a patient was transported to Queen Elizabeth University Hospital.”
A Police Scotland spokesman said: “Police were called to a resort in Portavadie following reports that a man had become unwell inside.
“Medical staff describe his condition as critical. The investigations are ongoing.”
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