Steven Trayler said he was "enraged" that Mike Ferguson had been accused of breaking the law.

BBC: Steven Trayler

Mr Trayler said that even if Mr Ferguson had been doing 120 mph he should not have been prosecuted.

BBC: Steven Trayler

Mr Trayler, 44, of Church Village, south Wales, had a kidney transplant five years ago, and said he would not be alive if it was not for the ambulance service.

BBC: Steven Trayler