KEY POINTS:
An large school building at Kaipara College in Helensville was partially destroyed in a suspicious fire early this morning.
Northern Fire Communications shift manager Scott Osmond said the fire started at about 12.30am in an administration and classroom building.
As many as 15 fire units attended and managed to contain the blaze before it caused further damage.
Mr Osmond said the fire appeared to be suspicious.
Investigators are examining the scene.
- NZPA
