�������t¶��

He lost around 40% of his blood and had emergency surgery, with the perpetrator later declared mentally unfit to stand trial.

Animal welfare charities have also raised concerns about owners euthanising dogs that are deemed unfit to race, whether due to age, injury or simply being deemed surplus to requirements.

Sir Mark said the judgement left policing in a "hopeless position" and meant the police force did not have the ability to remove officers deemed unfit for duty via a vetting process.

As the case dragged on, his mental health had deteriorated, so much that he was unfit to testify and eventually fell into homelessness, becoming estranged from his family, including his 10-year-old son.

A 33-year-old man, from Crawley, was arrested at the scene on suspicion of causing death by dangerous driving and driving while unfit through drugs and remains in police custody.