A TEENAGE BMW driver from Swindon caught the attention of police officers when he drove erratically just after midnight on Friday.

Officers followed the car along the A361 near Avebury and when they pulled it over they smelled cannabis.

The driver tested positive to a roadside drugs' test and a lock knife was also found on the driver's key ring.

The 19-year-old man from Swindon was arrested on suspicion of driving while under the influence of drugs and possessing an offensive weapon in a public place. He has been released on unconditional bail.