A child protection charity has attacked a decision to save a paedophile from a long jail term after a judge said his 10-year-old rape victim dressed "provocatively".

Window cleaner Keith Fenn, of Starwort Path, Blackbird Leys, could be free in just four months after admitting twice having sex with the child.

Kidscape has branded the sentence dished out by Judge Julian Hall as a "disgrace" and called for him to be axed from the bench.

Judge Hall, who hit the headlines after telling another paedophile to buy his child victim a bicycle, could have jailed Fenn for at least five years.

At Oxford Crown Court on Friday, Judge Hall described the rape in a park in Henley-on-Thames, as an "absolute crime", but insisted it was an "exceptional" case because of the girl's perceived maturity.

Fenn, 25, was given concurrent two-year and 18-month sentences, but could will be free in months after spending eight months in jail on remand.

His friend Darren Wright, 34, was given a nine-month jail term for inciting the girl to engage in a sex act on the same night on October 14, last year. Unemployed Wright had also served eight months, so was immediately freed.

Judge Hall said: "It is an absolute crime because she was only 10.

"In my experience this has been the most difficult sentencing exercise I have ever had to decide on. The circumstances in this case are exceptional.

"It is quite clear she is a very disturbed child and a very needy child and she is a sexually precocious child. She liked to dress provocatively.

"Did she look like she was 10? Certainly not. She looked 16, that was a matter that was accepted."

The court was told the girl approached the two men in Henley-on-Thames.

"They started chatting in the street and she told them she was 16.

After making their way to a recreation ground in Luke Avenue, the girl - who cannot be named for legal reasons - had oral and full sex with Fenn.

In a police interview, when asked about whether she gave consent, she said: "I'm in the middle, I don't actually know."

Later Wright forced the girl to commit a sexual act on him at his home in Mount View, Henley-on- Thames.

Fenn had admitted two counts of rape of a child aged under 13 years and Wright admitted one charge of causing or inciting sexual activity with a child aged under 13 years.

Michele Elliot, from Kidscape, said: "This particular case really took my breath away because I cannot imagine a 25-year-old man not realising how old she was.

"This sentence is a disgrace.

"What message does this send to anyone considering doing the same?

"He should be off the bench.

"A decision like that is utterly ridiculous.

"Clearly, some judges seem to be a law unto themselves."

Both men were placed on the Sex Offenders' Register for 10 years.