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.