A man's mutilated and burned body was found on moorland after he was killed by his former lover, a jury was told.

A murder trial has heard how the remains of Lennie Fulbirg, 49, were found high on moors near Keighley in March, 1997.

But it was only in 2003 that his skeletal torso was identified after advances in DNA profiling.

Mr Fulbirg's former lover, Tracey Cameron, and Graham Haylett, the man who became her new boyfriend are on trial at Leeds Crown Court.

Cameron, a mother-of-three, of Dunsford Avenue, Bierley, and Haylett, both 40, deny murdering Mr Fulbirg, of Coldbeck Drive, Buttershaw, between August 10, 1996, and March 3, 1997.

Prosecutor James Goss QC said it was a crime of passion after the defendants began an affair and saw Mr Fulbirg as an obstacle to their future happiness.

Mr Goss told the jury that Mr Fulbirg was possessive and tenacious and that the new lovers decided to get rid of him.

The father-of-12 disappeared on August 11, 1996 after arranging a date with Cameron at McDonalds in Rooley Lane, Bradford.

Forensic scientist Valerie Tomlinson said she examined the human bones found on Oxenhope Moor in 2003 and said they were one billion times more likely to be those of Mr Fulbirg than of anyone else.

She said she matched a DNA profile from the skeleton with members of his family.

Forensic anthropologist Dr Julie Roberts told the jury that in her opinion Mr Fulbirg's body was lying face down when it was set on fire.

She said fractures to the bones suggested that he had been dismembered with both sharp and blunt instruments before he was set on fire but she could not say which type of weapons were used.

Forensic pathologist Professor Christopher Milroy, who attended excavations on the moors, told how a specially trained border collie dog, known as a "cadaver dog" was used to make sure all the bones had been discovered.

Only the top third of the thigh bones was in tact and they had been cut and burned. Mr Fulbirg's arms, hands, legs and skull were never found.

Prof Milroy said there was both sharp and blunt trauma to the bones and they may have been struck with a spade or an axe. He said although an attempt had been made to dismember and destroy the remains it was "not easy to completely cremate a body".

Luca Di Mascio, an ophthalmic photographer at Airedale Hospital in Steeton, told how he discovered the remains after 4pm on March 2, 1997.

Mr Di Mascio said he was a keen hiker who had decided to go for a walk after work.

He parked up in a lay-by high on the moors and spotted what appeared to be a human pelvic bone.

He rang police at Hebden Bridge and they came to inspect the scene but decided they were probably animal bones and took no action.

Mr Di Mascio then told how he returned to the scene four days later, took photos of the bone and showed them to a doctor in the pathology department at the hospital. He then went to Keighley police station and told them he believed the bones were human.

Haylett, of Wilson Wood Street, Batley, also denies attempting to pervert the course of justice. He is accused of trying to persuade his then girlfriend, Carrie Webster, to go back on a police statement that she had made concerning the murder investigation.

The trial, which is expected to last six weeks, continues.