The above solicitor is well worth the travel and money, he's represented me in the past, real nice bloke as well.
If it was a case of going through red light to clear way for emergency services, you have a right to do so, PROVIDING IT IS SAFE TO DO SO, now you need to prove the case, get onto ambulance HQ to verify there was a amblaunce there etc, if it ever happens always write down number etc.
tabetha