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The meal’s first course, sakizuke, is like a waymark on a map: You are here.

At 06:00 BST the following morning, Mr Waymark was getting ready to swim the Channel.

Douglas Waymark, from Cheltenham, got into difficulty about half way across, 12 nautical miles from Dover.

Ms Lewis said Mr Waymark had set off in "very good spirits".

Waymark, who had previously reached the summit of Mount Everest, was taking part in the near-300-mile Enduroman Arch To Arc triathlon when he got into difficulty on Monday night.