The one thing I've learned is pricks come in all types of cars. if you're being followed pull over and get a camera at hand, ideally in a petrol station where there's cameras and witnesses.
Saw this on Facebook and wondered if the registration was legitimate as it was said that the driver could not be found. Using Halfords spare parts online database, I found that the first letter of the registration must be V. YK54 CHL doesn't exist but VK54 CHL does and belongs to a VW Golf GTI diesel registered in Worcester or thereabouts.
THANK YOU for looking out for cyclists. Screw the arrogant ass-hole behind. Again, thank you.