UPDATE, 12:55 P.M.: The fire has been declared under control, and some companies are now being released from the scene.
An earlier story follows:
Firefighters are at the scene of a structure fire on Breakfast Hill Road in Greenland.
The single-alarm fire was reported at 117 Breakfast Hill Road around 11:20 a.m., according to emergency radio broadcasts. Heavy smoke and fire was reportedly showing from a detached garage, and additional tankers have been called to the scene.
Portsmouth Patch will have more on this story as it becomes available.