A 30-year-old man is currently in custody after a vehicle was stopped on the Great Western Way in Swindon in the early hours of yesterday morning.
Officers were following a Renault Twingo at approximately 1.30am after they smelt cannabis coming from it.
The vehicle was stopped and a drug swipe was carried out which tested positive for cannabis.
After searching the vehicle, cannabis was also located inside.
A 30-year-old man from Torquay was arrested on suspicion of driving whilst under the influence of drugs and possession of cannabis.
He is currently in Gablecross custody.
Wiltshire Police would like to remind the public that if they suspect someone of drink or drug driving, call 999 if in progress and give as many details about the vehicle as possible including make, model, colour, registration number and direction of travel.