A teenager suffered a suspected fit after his go-kart collided with another vehicle and overturned on a summer holiday playscheme.

Matthew Tasker, 15, complained of head pains after landing on his head in the accident at a charity-run circuit in Holme Wood, Bradford.

It was not until two hours after the incident that he suffered the fit and was rushed to Bradford Royal Infirmary.

Today his mum Dawn McNulty, 33, of Copgrove Road, Holme Wood, said she was horrified by the accident which occurred on the circuit run by the part Government-funded Motor Project.

Mrs McNulty claimed the accident had been caused by another child who was not old enough for the go-kart. She also alleged her son's helmet had been of poor quality.

"The child who collided with him was only ten years old and could barely even touch the pedals," she said.

"He drove straight into Matthew who careered up the side of the track. He ended up on his head and stuck under the car."

Matthew was taken home by members of the project staff, but Mrs McNulty said his condition later deteriorated.

"He was very dazed and he had big bruises on his shoulders, his knuckles and his knees," she said. "He also felt sick and had pains in his head.

"He went to bed at about 11 o'clock but at 11.30pm my other son shouted me to tell me that he was having a fit."

Project co-ordinator Eric Gibbs said there had been just one serious accident since it was set up in 1984 with the aim of reducing car crime among young people from deprived areas.

He claimed Matthew had been travelling too fast at the time and had received repeated warnings to cut his speed.

There was no question of mechanical failure or failure of supervision. He said: "This young person knew how to drive and was properly equipped."

Mr Gibbs said Matthew's helmet had successfully protected his head. All children using the go-karts had written consent from their parents confirming they were at least 12 years old.

Mrs McNulty denied Matthew had been speeding at the time.