I was in the front passenger seat travelling in the left hand lane of a busy road when a driver travelling in the middle lane suddenly pulled across us into the left hand lane. How my partner managed to brake just short of impact I'll never know, but he did, with about a cm to spare.

The other driver proceeded to verbally abuse us, then jumped out of his car and tried to get my partner to get out of the car. He seemed oblivious to what he had done. At this point I phoned the police and basically gave a running commentary of what was occurring. The guy was so aggressive, but calmed down once I pointed out the cctv cameras.

To cut a long story short, I damaged my shoulder quite badly and I'm still receiving treatment. The police traced the owner (not the driver), who then supplied the driver's info. He eventually turned up at a police station several weeks after the incident, but is denying all liability ( I would have loved to have heard his tale) and the CCTV cameras never picked up the incident.

The police, although very sympathetic, are not proceeding with the case because in all the upset, we didn't get any witness statements although lots of people must have witnessed the whole thing as there were buses all around as it was happening.

My question is this, what is the likelihood of a success personal injuries claim, and, judging by the aggression he showed at the time of the incident, are we silly to even attempt it since he could well be a nutter?