The windows of several parked cars in St Brelade have been smashed.
Police say it happened in Clos Orange overnight on Saturday (14 May)
Four vehicles near the Railway Walk were damaged. They were a silver BMW E46, a grey BMW F31 320D, a white Ford Transit Custom and a silver Volkswagen Caravelle.
Officers think a tool was used to break the glass.
The cars were parked in a row.
Anyone who may have seen this or who has any information is asked to contact police on 612612 or the independent charity Crimestoppers anonymously on 0800 555 111 or via their Anonymous Online Form at Crimestoppers-uk.org