Firefighters were called out to HMP La Moye on Saturday night to tackle a blaze in the prison kitchen.
Prison staff called 999 shortly after 8pm, and all the emergency services were dispatched as a precaution.
The fire was put out a short time later.
No one was injured during the incident, and the Prison Service says there is 'no suggestion' of any suspicious activity or the fire being started deliberately.
Contingency plans have been brought in to make sure prisoners are being fed as normal.
Fort Regent vision 'was never matched' by a budget that could deliver it, says JHA
The Jersey Hospitality Association says it is 'deeply disappointed,' though 'not surprised' that the redevelopment of Fort Regent has been paused because of rising costs.
Buzzing! Bears and Bees coming to Jersey
We've had Go Wild Gorillas and the Tortoise Takeover, and in 2027, it'll be Bears and Bees!
JCG Year 7 Choir learn and perform wartime song
Year 7 students at JCG have performed a wartime song as part of wider learning about the role of music during times of conflict.
Gas bills to go up by 5% in December
Island Energy has announced that gas bills in Jersey and Guernsey will go up by approximately 5% from 1 December.
Second memorial plaque vandalised at Millennium Park
The memorial plaque at Millennium Park remembering three-year-old Clinton Pringle has been removed after being vandalised.
'They got our hopes up': Young islanders disappointed as Fort Regent plans stall
The government says it's reassessing the costs of the planned transformation, plunging the future of the Fort back into uncertainty.
Electricity prices in Jersey to rise by 2.5%
Electricity prices in Jersey will rise by 2.5% next spring.
Minister says he has been 'slated' and his family taken 'abusive' phone-calls over economic growth comments
Jersey's Economic Development has hit out at the response to his comments about economic growth.
