POLICE are appealing for witnesses following a report of careless driving on the Tingwall straight on Sunday.
A black car is said to have made an evasive manoeuvre to prevent collision with a red car which was attempting to overtake slow moving vehicles while heading south.
The incident is reported to have taken place at around 1.45pm.
Police are particularly keen to speak to the driver of the black car or anyone who may have dashcam footage.
People can contact the police on 101, or via Crimestoppers anonymously on 0800 555111.