There has been a suspicious building fire in Warkworth tonight.
Northern FIre Communications' shift manager Megan Ruru said about 20 firefighters were called to a fire in a building on Gumfield Dr about 9.40pm.
The fire had engulfed the 200sq m building, as well as surrounding grass.
She did not know if the building was a home or business, but no one was believed to be inside.
Warkworth Volunteer Fire Brigade posted on their Facebook page that the fire occurred at a "derelict house".
The fire was suspicious and a a fire investigator was on the way to the scene, Ruru said.