By Adam Evans
Crews are at the scene of a well-developed fire at Holywood's Palace Barracks.
We're told flames have taken hold of an admin building at the site.
It's understood no-one's been injured.
5 Fire Appliances, 1 Aerial Appliance and the Command Support Unit are at the scene.
NIFRS says the incident is "ongoing".
Former senior police officer Jon Burrows confirms UUP leadership bid
Man’s body found in Cookstown in search for missing 21-year-old
Two taken to hospital following suspected gas explosion in east Belfast
Man critically ill in hospital following road crash in Co Tyrone n
Man dead following assault in Donegal