A former world karate champion, who taught kids in Poole for almost 20 years - starts a 30 month jail term today - for sexually abusing children and filming it.

Timothy Stephens who's 50 and of Alcester Road in Parkstone, pleaded guilty in February to 43 offences including assault, voyeurism - and making and distributing indecent images of children.

The Crown Prosecution Service says he used his 'local fame to gain their confidence.