Chan, a former primary school worker and karate instructor, has admitted attacking four girls as young as two as officers look into his 17 year history working with children

Metropolitan Police share arrest footage of Vincent Chan

A nursery worker who filmed himself sexually abusing girls as young as two is being investigated amid fears he attacked more children.

Vincent Chan , 45, has admitted sexually assaulting four victims as they slept and possessing tens of thousands of indecent images. Detectives said their investigation into his offending, which spanned a number of years, remains ongoing.

Chan worked with children for at least 17 years before finally being unmasked as a paedophile. The parents of some of the known victims said they were still trying to "process the sickening

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