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.
'Biggest' Book Sale for Guide Dogs underway in Trinity
More than 20,000 books are on sale in Trinity this weekend for Jersey's Biggest Book Sale.
Two tax deadlines extended
There's now more time for eligible islanders to repay frozen 2019 tax bills, and to opt in to carry on filing joint tax returns.
We've had the Earth, now it's Jersey's turn for the Moon
Remember when a giant floating Earth came to Queen's Valley Reservoir? Well, next month Jersey is getting the Moon.
Till stolen in burger bar break-in
A thirteen year old boy has been arrested following a break in at a Jersey burger restaurant.
WATCH: Jersey teen 'tired but proud' after completing 'Journey of Hope'
A Jersey teenager has completed an incredible 464-mile cycle challenge to raise money for charity.
How you CAN make a difference with just a tin...
It's time to take a tin along to the Tinathon.
Rev up for the Jersey Rally
Cars will be racing around Jersey over the next couple of days as the Jersey Rally returns.
Island Healthcare Fund created
A new fund has been launched to support projects aimed at improving health and wellbeing across Jersey.
