Leanne Thomas, Mother of Jamie Thomas, who broke his wrist at a Manchester United game, says she thought it was just bruised.
More top news
Police say that David Noakes' disappearance is incredibly out of character.
The victim, who lost a leg in the incident, said his injuries had been truly "life-changing" in a statement read out to court.
Kingsley Burrell died after suffering a cardiac arrest in hospital in 2011 following his detention by police under the Mental Health Act.