Quote Originally Posted by SWv2 View Post
Still sounds similar to an official caution to me.

I was cautioned as above around 1994 for possession of controlled substances and after being arrested, held and interrogated in Margate Police Station I was released without charge but officially cautioned, informed accordingly that said incident would remain on record, which it did.
As I understand it, you can refuse to accept a police caution and dare them to take it to the CPS. No such option exists with a verbal warning.