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.
Owners of run down property in Guernsey could be served 'improvement' notices
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Support for Guernsey's dairy industry to double to £2.35M next year
Deputies approve measures to support the industry against agri-inflation, declining consumption and uncertainty over the future of the States Dairy.
Deputies back plan to modify way elderly care in Guernsey is paid for
The Assembly approves a plan to create the right economics needed to look after Guernsey's ageing population.
500 Liberation hampers for Guernsey's Occupation generation
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Guernsey to prepare for the 'next generation digital future'
States approve a framework that will allow Guernsey to use 5G, bringing faster download speeds to devices.
Rare Golden Guernsey Goats em'baa'rk on a new journey
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Domestic wind turbine demonstration in Guernsey
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