Items are understood to have been thrown in the area of Ballabrooie Way
Police are appealing for CCTV and Dash Cam footage following reports of people banging on cars and throwing items on Somerset Road in Douglas.
Officers believe the incidents to have occurred between 10pm and midnight last night. (10 - 11 January)
Anyone whose car has suffered damage, or those with information are asked to contact police headquarters on 631 212.
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