Gareth Williams
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Cardiff teacher Gareth Williams in court on voyeurism charges

27 February 2014 Last updated at 15:11 GMT

A deputy head teacher from Cardiff who has previously admitted secretly filming children in a toilet has appeared before the city's magistrates' court to face 48 further charges.

Gareth Williams, 47, who is the deputy head of Ysgol Glantaf, was remanded in custody until a crown court hearing next week.

Nick Palit reports.

No pleas in school voyeurism charges