Guernsey Police are investigating after 'significant damage' was caused to the windows of the Northside Chippy on the Bridge.
Officers believe the incident occurred around midnight on Sunday (17 November).
The eatery owners, who reopened less than a week ago, took to social media to inform customers it would keep trading.
Anyone with relevant information or dash camera footage is asked to contact police on 222 222 or to contact Crimestoppers anonymously.
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