Snorvey wrote:.....You can't just drive off like that though eh? Or now it's getting sorted out, should that be the end of it?
Au contraire, she's proved fairly conclusively that you can just drive off like that!
I don't see that there's much else that could be usefully done. It's appalling behaviour, but If your colleague tries to involve the Plod they won't be interested, and will simply say it's a civil matter.
And as liability's been admitted and your colleague will be compensated in full what more, realistically, does he want?