A MAN in his 30s from Trowbridge has been released under police investigation following a vehicle stop-check on the A350 at Melksham.

Police said the vehicle was stopped at 5.40pm on Thursday April 30 by patrol officers following erratic driving by the driver.

After speaking to the driver, officers conducted a drug swipe test which tested positive for a class A drug.

The male driver was then arrested on suspicion of driving whilst unfit through drugs.