POLICE are investigating whether a beer bottle was thrown at a driver on Main South Rd, shattering a passenger window.
The car was travelling south down Main South Rd in O’Halloran Hill near Landers Rd at about 7pm on Saturday when an object was thrown at the car.
The driver’s side window shattered but no one in the car was injured.
Police patrols accompanied by a dog squad searched the area but did not find anyone.
Officers found the remnants of a broken beer bottle on the road near where the incident occurred. The bottle fragments will be forensically tested.
The incident comes on the same day police announced there had been 30 incidents of rock attacks on the nearby Southern Expressway.
Anyone with information on this or any other similar incident please contact Crime Stoppers on 1800 333 000.