A Cambridge graduate who drowned in a swimming pool during a party at his family home had been playing a game to see how long he could hold his breath underwater, an inquest heard.

Dominic Hamlyn, 24, died earlier this year after friends pulled him from the pool during a party at his home for his younger brother’s 21st birthday, the hearing was told.

The 24-year-old is the son of world-famous neurosurgeon Peter Hamlyn, who is famed for saving the life of boxer Michael Watson when he was injured during a world title fight with Chris Eubank in 1991.

He had just given a 15 minute speech to guests toasting his brother before going for a swim with his friends.

During this time he had been playing in a game to see how long he could hold his breath underwater, it was heard.

But he had to be pulled from the pool by friends following the game.

Paramedics were called to the families £3m farmhouse in Crundale, near Ashford in the early hours of July 28 when it became clear that Dominic was unresponsive, an inquest heard.

Dr Hamlyn then desperately performed CPR on his son until paramedics arrived.

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