Lissue House fire: Former children's hospital damaged in fire
The Northern Ireland Fire and Rescue Service (NIFRS) are dealing with a fire at Lissue House in Lisburn, County Antrim.
The blaze, reported at about 07:00 BST on Thursday, has been described as "well-developed" over two floors.
Police are also at the former children's hospital and have warned motorists to take care on the Ballinderry Road.
No one was in the building when the fire broke out.
A spokesperson for the NIFRS said: "There are eight fire appliances, as well as a command support unit vehicle from Lisburn fire station, a high volume pumping appliance from Whitla fire station and a water tanker from Warrenpoint fire station at the scene.
"A separate appliance from Springfield fire station, as well as the fire emergency support service vehicle are also providing assistance."
A statement on behalf of Ian Stevenson, chief executive of the Livestock and Meat Commission for Northern Ireland, who have their offices at Lissue House, said: "We are saddened by the damage caused to our office premises at Lissue House and are grateful that no one was injured.
"We have a business continuity plan in place and will continue with our work as far as possible.
"We thank the Northern Ireland Fire and Rescue Service for their quick response and professionalism in dealing with the fire."