A motorist flashed an undercover West Yorkshire Police on the motorway - and this is what happened
We have all been in that situation: you're driving along, minding the speed limit, when another driver - usually in some kind of luxury car - gets right up to your rear bumper and begins flashing his lights.
But what this driver didn't count on was the car in front being an unmarked police car. Here is what happened - along with several other incidents on West Yorkshire roads this weekend: