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.
Islanders raise nearly £70,000 in 2025 Swimarathon
More than 1,700 swimmers, volunteers and supporters have raised £68,500 for Guernsey charities.
Ports of Jersey agreed to defer fees of £3.2M to help Blue Islands 'keep afloat'
Jersey's Treasury Minister says more than £3M in landing fees Blue Islands owed to Ports of Jersey were deferred to keep the airline running.
Emergency accommodation for homeless arrives in Guernsey
Two sleeping pods are being installed at the Vale Douzaine.
Blue Islands goes into liquidation
Blue Islands is going into liquidation.
Aurigny signals its intention to operate inter-islands flights long-term
Guernsey's States-owned airline, Aurigny, has signaled its desire to operate the Guernsey-Jersey route 'for good'.
'It's very clear that they have been working with Loganair for a while'
Guernsey's Economic Development President, Deputy Sasha Kazantseva-Miller, believes the speed at which Blue Islands collapsed was a 'surprise' and a 'shock'.
Donation boxes to help Guernsey families with premature babies
The Channel Islands Co-operative Society is partnering with the Priaulx Premature Baby Foundation to provide in-store collection boxes for items needed by local families.
Airlines will require a licence to operate Guernsey-Jersey route
Guernsey's government has classified the inter-islands air link as 'essential', meaning an airline will need a licence to operate it from mid-January.
