Plymouth's Ben Proud is hoping to make a splash in his first senior championships when he competes at the World Championships in Barcelona later this month.
Ben earned his place on Team GB when he smashed Mark Foster's ten year old British 50m Butterfly record at Sheffield recently. The Plymouth Leander swimmer is coached by Jon Rudd.
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Pupils at Hayle Community School launched the pasty as part of a project they are undertaking.
After a dry end to the day, it will grow colder overnight with a light breeze.
It will turn chilly tonight with largely clear skies and light winds.