Robert Mikelsons, found guilty last year of abusing dozens of children at two Amsterdam daycare centres, on Friday had his sentence increased from 18 to 19 years in jail plus psychiatric prison for an undetermined time.

Latvian national Mikelsons was found guilty of molesting 67 children but admitted to abusing 87 while working as a creche leader and babysitter during his original trial in May 2012.

Mikelson’s lawyers had called for his sentence to be reduced so he could begin treatment as soon as possible.