Olympic silver medallist Gemma Gibbons has told ITV London that she has broken her wrist.
It will hit the judo star's training for Rio 2016 - as she'll be out of action for at least two months.
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The one-year-old Yorkshire Terrier was attacked and killed while being taken for a walk.
The lifeboat crew carried the pair into their boat and dropped them off back at Tower Bridge as people watched from the riverside.
The huge painting took two graffiti artists thousands of hours to complete in east London.