Originally Posted by tabetha

You do not and should not stop for unmarked police cars, even with BLUE LIGHTS, you are NOT breaking the law in not stopping either, they have to get a fully marked police vehicle to do the stop, this is because people fear stopping for dodgy people pretending to be cops.
I came across a lady on her phone as we both stopped alongside each other at some lights, so I shouted "either put that phone down or I'll nick you", she looked embarrased and put the phone down, had me 11 year old with me too,!
tabetha