A driver broke her neck following a two car crash.
 

The accident happened on the A273 Clay Hill Road at Pyecombe, shortly before 1.30am yesterday.
 

A blue Mazda saloon travelling south was in collision with a silver Jaguar X-type saloon travelling north.
 

The impact broke the Mazda in two.
 

The Mazda driver, a 24-year-old woman from Seaford, suffered a broken neck, with fractures to three vertebrae but no damage to her spinal cord.
 

She also suffered multiple cuts.
 

Her passenger, a 34-year-old man, was knocked unconscious and suffered suspected abdominal injuries.
 

The Jaguar was being driven by a 55-year-old man from Shoreham who suffered a broken pelvis, broken right arm and adominal injuries.
His passenger, a 39-year-old man from Hurstpierpoint, also had abdominal injuries.
 

All four casualties were taken to the Royal Sussex County Hospital, Brighton, for treatment.
 

Sergeant Mark Baker, of Sussex Police, said: "We are investigating the circumstances of the collision and appealing for witnesses, either to the collision itself or to sightings of either vehicle prior to the collision.
 

“We would also like to thank other motorists for their patience while the road was closed."
 

Anyone with information is asked to phone Sussex Police on 101, quoting Operation Anmore.