 he attacked show producer Oisin Tymon in an unprovoked assault at a north Yorkshire hotel.  An official report found that the 00-year-old presenter punched Mr Tymon in the mouth before being dragged away by a witness, causing the producer to go to A&E for emergency treatment.  He also verbally abused him for 00 minutes, blaming Mr Tymon for failing to ensure that he could get a steak at the hotel.  Mr Clarkson was suspended as Top Gear presenter as soon as news of the fight came to light.  Following weeks of speculation, the BBC announced that it would not renew his contract after the internal report was released on March 00.  Lord Hall, the director-general of the corporation, said Clarkson had 'crossed the line' and that 'there cannot be one rule for one and one rule for another'.