A man who killed his stepdaughter in a motorbike accident has been jailed for a further 18 months for indecently assaulting a child.

Paul Baker, 41, of Asquith Road, Rose Hill, Oxford, is already serving a five-and-a-half year sentence for causing the death of his 14-year-old stepdaughter Kim in August 2004 during a motorcycle ride while he was on drugs.

At Oxford Crown Court yesterday, Baker was found guilty of three charges of indecent assault on a 10-year-old girl, who cannot be named for legal reasons. He had initially faced four charges, but Judge Julian Hall ordered the jury to acquit him on one count.

The court was told that between January 1 and July 1, 2003, Baker assaulted the girl while she was in bed and also made her perform a sex act on him.

Baker, who did not give evidence at the hearing, had denied the incidents ever happened.

Passing sentence, the judge told Baker: "You said these things (the assaults) didn't happen. The jury is sure that they did.

"Had this matter been on its own, my sentence would have been three years' imprisonment, but I think to add that to your present sentence is too much."

Kate Millinson, prosecuting, told the court that Baker had a series of other convictions for offences including driving while disqualified and burglary, but none for any sexual offences.

Mr Hall gave Baker an 18-month sentence and told him he must go on the Sex Offenders' Register. He was banned from working with children for the rest of his life.

Baker's stepdaughter Kim was riding pillion with him in Wimblestraw Road, Berinsfield, when he lost control of the bike and it smashed into a lamp post. Kim died from her injuries.

Baker was found to have been high on drugs at the time and to have been riding a faulty bike. He had no MoT, tax or insurance and had been disqualified from driving in March 2004.