Thomas was part of the Men's Team which won a bronze medal at London 2012, the first time a British gymnastics team had made it onto the podium for 100 years.
Thomas started training at the Earl's Gymnastics Club as a five-year-old boy and has been there ever since.
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Into the evening it will remain dry with the best of the clear spells in the west.
Some evening sunshine, although low cloud will spread from the coast into many areas early in the night.
Mr Parnell, from Sileby in Leicestershire, was celebrating his first wedding anniversary.