Berkshire diver Chris Mears makes his Olympic debut this afternoon. The 19 year old from Reading will compete in the Men's Synchronised 3m Springboard event.
His parents Katy and Paul say it's going to be "the best day ever".
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Celebrities including Chris Evans and Joanna Lumley are expected to attend the event marking 50 years since the broadcaster went on air
Tuesday morning's weather for the west of the region
Tuesday morning's weather for the east of the region