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.
Does it matter where your MHK lives?
82 candidates confirmed to contest House of Keys General Election
Island-based charity says 'difficult days ahead' in Nepal
Hundreds dead following devastating flash floods
TT racer to complete 'the lap he never got to finish'
Tribute lap organised for former MGP winner Daniel Ingham
Glenfaba and Peel candidate withdraws from General Election
Trevor Cowin no longer standing