Police are looking for information after 12 cars suffered damaged tyres.
The incidents took place on June 14 around 11.30 from Bonhill Rd, Dumbarton, into Hamilton Street, Williamson Ave and Poindfauld Terrace.
Car owners discovered the damage on their cars on the morning of June 15.
An enquiry is ongoing to identify four men said to have been in the area at the time.
Cops say the incidents may be related to another incident at Loch Lomond Court, Dumbarton, at around 2.50pm on June 15, where four men were said to have been seen smashing windows of two vehicles, before making off and attending a retail shop on High Street and smashing a shop window.
As cops arrived, the men made off in the direction of Risk Street. CCTV has been seized and items dropped by the men also seized for forensic analysis.
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