article_snippet: The Health and Safety Executive is investigating how the parking barrier swung into Mr Page's windscreen .
article_snippet: The Health and Safety Executive is investigating how an accident took place.
article_snippet: A spokeswoman from the Derbyshire, Leicestershire and Rutland Air Ambulance said: 'A spokeswoman from the Derbyshire, Leicestershire and Rutland Air Ambulance are not sure how it happened.
highlights_snippet: Paramedics said Paramedics were not sure how accident on Saturday happened .
  