A spokesperson for fire and emergency says that the fire is "significant" and public health officials are on the scene due to the presence of hazardous materials.
A fire has broken out at Callaghan Innovation in Lower Hutt.
The fire broke out in the roof of the building at 2:15pm.
The building has been evacuated, and nine fire trucks are at the scene.
The fire has yet to be contained.
Callaghan Innovation is a Crown Research Institute, providing "research, innovation and development services" to businesses.
More to come.
