(AFP) — A judge on Friday jailed a nursery worker for eight years for a string of “gratuitous” and “sadistic” attacks on babies.

In one incident, Londoner Roksana Lecka, 22, kicked a little boy in the face several times.

Lecka, who blamed cannabis for her crimes, admitted seven counts of cruelty to a person under the age of 16 and was convicted after a trial of another 14 counts.

Sentencing her for attacks on 21 babies, Judge Sarah Plaschkes said she had committed “multiple acts of gratuitous violence” at two London nurseries where she worked.

“You pinched, slapped, punched, smacked and kicked them. You pulled their ears, hair and their toes. You toppled children headfirst into cots,” she said.

“Often the child would be quietly and happily minding its own business before you deliberately inflicted pain… Your criminal conduct can properly be characterised as sadistic,” she added.

Lecka’s cruelty was revealed in June 2024 after she was seen pinching a number of children.

Police were called in and found multiple incidents recorded on the nursery CCTV.

Victim impact statements submitted to London’s Kingston Crown Court from parents of Lecka’s victims told how they were left heartbroken and guilt-stricken by the attacks.

“These children were so innocent and vulnerable,” one mother told the court.

“They couldn’t speak, they couldn’t defend themselves, and they couldn’t tell us as parents that something had happened to them,” she added.

“They were totally helpless, and Roksana preyed upon them.”

The hearing was told that she had apologised to the parents in a letter to the court in which she said cannabis had turned her into a different person.

She had been addicted to the drug around the time of the offences, but had not told the nursery.

She was found not guilty of three further counts of child cruelty.