Police are appealing for information after a fire was started at the Fish Shack in East Street, Old Portsmouth.
At 7.30pm on Saturday, October 31, flames broke out at the commercial premises.
When police arrived, one of the doors to the property was found to be unlocked and open. It is thought the fire was the result of an arson attack.
Officers are appealing for anyone who heard or saw anything suspicious around the time of the fire to make contact.
Can you help?
Anyone with information is asked to contact DC Mel Sinclair at Fratton police station on 101 or call the Crimestoppers charity anonymously on 0800 555 111. Mini-Com users can call 01962 875000. From outside Hampshire and the Isle of Wight, please call 0845 045 45 45.