Rebecca Adlington
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Adlington stands up to bullies

14 June 2012 Last updated at 13:29 BST

Olympic swimmer Rebecca Adlington has been talking about why she's standing up to online bullies.

Rude comments about her appearance were posted on the social networking site Twitter.

The gold medallist repeated the comments because she says she wants people to know what's going on.

She says cyberbullying is not acceptable, but she won't be letting it distract her during the games.