A man has been arrested on suspicion of money laundering after police stopped a car near Knottingley last night.
The 27-year-old man from the Selby area is currently being held in custody for questioning.
He was driving a blue Ford Focus, which was stopped by officers in Church Street, Brotherton, shortly before 11pm.
A North Yorkshire Police spokesman said: "The driver was found to be driving without insurance.
"The man was also arrested for money laundering following the discovery of a large amount of cash in the vehicle."