There's nothing worse than a police officer suddenly appearing and waving you into the side of the road for a lecture at best, and probably a ticket too. It's so unfair, why aren't they wearing high-viz clothing, surely that's against the regulations?
Sadly not, police officers do not have to wear specific clothing when engaged in roads policing or provide any other warning of their presence.
Assuming they cautioned you correctly at the road side, then you're just going to have to take the points and fine.
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