I don't really know to be honest, the police have confirmed that the car is insured and they have the owners details.
I think you're meant to report any collisions with injury within 24 hours? I did ask her to remain there but she didn't and she made no attempt to swap details etc. I was pretty shocked that their instant reaction was aggression, even whilst I was picking myself up off the road.
Hope you get it sorted and the police do something about her driving away. Don't assume everything with your body is OK. 24 - 48 hours can in my experience, bring out the aches, pains and general soreness.
Edit: This from confused.com
The Road Traffic Act
Under the Road Traffic Act (1988) the rules are simple.
If you’re driving a motorised vehicle and are involved in an accident which causes damage or injury to another person, vehicle, property or animal, (including dogs, horses, cattle and sheep), you must stop and give your vehicle registration along with your name and address to “anyone with reasonable grounds to be asking for those details”.
In most cases this will be the other driver. And if you’re not the vehicle owner, you should hand over the vehicle owner’s details too.
“If you don’t exchange details at the scene, you must report the incident to the police within 24 hours”, says motoring lawyer Alison Ashworth from Ashworth Motoring Law.
“The problem is there’s often confusion over what people perceive to be an accident," she says.
Ashworth says she sees, “an increasing number of court cases for things like ‘a clipped wing mirror’, which people may not consider as an accident, but if they fail to stop, the penalty can be severe."
Don’t get caught out
If you don’t exchange details at the scene, or report the incident to the police, it could look like you’ve failed to stop.
This, according to Ashworth, could potentially incur two offences: “failure to stop”, and “failure to report an accident”.
Both can mean a minimum five points on your licence, a fine, or in the worst case scenario, a prison sentence.