Four fire engines have been sent to a fire at the old planning offices at South Hill.
A total of 18 firefighters are on the scene in St Helier this afternoon (3 January).
An Incident Command Vehicle and Fire Duty Manager have also been dispatched.
The fire is said to be on the first floor of the former offices.
Footage posted online shows smoke coming from the building.
People are being asked to avoid South Hill, as the road is closed at both ends.
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.
