article_snippet: Police said footage of the attack, which show Preston Crown Court hearing teenager being encouraged to throw the punch by two older men, was filmed on a mobile phone but has since been deleted, Preston Crown Court heard.
article_snippet: Defending, Julie Taylor said the incident was filmed on a mobile phone which showed the boy being encouraged to throw this one punch thrown by the defendant.
article_snippet: Julie Taylor said: 'Police can confirm there was a video but Police have been unable to retrieve a video because a video had been deleted from a mobile phone which showed the boy being encouraged to throw the punch. '
article_snippet: Police're going to use Police best endeavours to see if anyone has a copy or whether it's on social media anywhere.'
highlights_snippet: Footage of men encouraging teenager to hit Paul Walker filmed on mobile .
  
highlights_snippet: But police are trying to trace video footage which has since been deleted .