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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Dry overnight. Unsettled through rest of the week.
Dry tonight with some patchy fog forming. Showers developing Tuesday.
Janet Ajao said in a statement: "I do not condone his actions nor support the beliefs he held that led to him committing this atrocity."