Two cars were damaged in a series of incidents over the weekend in Lowestoft.
A rear window of a Ford Fiesta was smashed while parked in the Bridge Road car park between midnight and 12.30pm on Saturday.
Police believe it was broken when a rock was lobbed at the vehicle.
Meanwhile, a windscreen of a parked Vauxhall Corsa was damaged on Burnham Way between 6pm on Saturday and 9.30am on Sunday.
Witnesses or people with information are sought. Call police on 101.
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