Cambridge grad died after 'party trick' went wrong at brother's 21st birthday

A “fit and healthy” university student has died following an underwater swimming challenge he had performed “since he was a child”, a British inquest has heard.

Dominic Hamlyn, 24, became unresponsive while swimming in a pool during his brother Benedict’s 21st birthday party at the family home in Kent, in England’s southeast, in the early hours of July 28 last year.

He had swum about two-and-a-half laps while holding his breath before he stopped moving.

Mr Hamlyn was taken to William Harvey Hospital but died later that evening.

Dominic Hamlyn, 24, died after holding his breath underwater at a birthday party. He's pictured here with his mother Geraldine Hamlyn. Source: AAP

On Thursday, local time, during an inquest into the student’s death his father - neurosurgeon Peter Hamlyn - said his son had often performed the same "party trick".

"It was an entirely routine thing which I had seen him do since he was a child,” he told the hearing.

The neurosurgeon said his son had been unresponsive “for seconds rather than minutes" before being pulled out of the pool.

Coroner Scott Matthewson said the Cambridge graduate had a pre-existing heart condition and died from acute cardiac arrhythmia - known as "sudden adult death syndrome".

Mr Hamkyn’s dad and mum Geraldine held hands and wept as the assistant coroner gave his ruling, which acknowledged the differences in medical opinion.

The inquest heard Mr Hamlyn died from acute cardiac arrhythmia. Source: AAP

“Nobody could have, or will ever with any certainty, say what the medical cause was in Dominic’s death,” Mr Matthewson told the coroner’s court.

Mr Hamlyn’s dad, who gave his son mouth-to-mouth when he was pulled from the pool, described the graduate as a “beautiful, beautiful boy”.

“Why did he die?” he said.

“He was a superb athlete competing in both rugby and rowing at Cambridge. We are broken. If Dominic is to be remembered, it is as a hero and one of the world’s helpers.”

- Yahoo UK

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