Fire has been extinguished.
Crews will shortly commence air monitoring and ventilation operations.
ACT Fire & Rescue Hazardous Materials Unit, the Breathing Apparatus Van and two commanders are also on scene. The Bronto Skylift Hydraulic Platform has been called to the scene to investigate from the air the extent of the structural damage to the roof.
ACT Ambulance Service intensive care paramedics are also on scene supporting operations with no injuries reported.