In a life threatening emergency dial Triple Zero (000)
Storm and Flood Assistance
ACT Fire & Rescue have now lifted the cordon at Woden Plaza.
An initial investigation by firefighters indicated a faulty boiler may have released carbon monoxide into the air conditioning system in the building opposite the plaza entrance.
The ACTF&R HAZMAT crew have completed ventilation of the building and atmospheric monitoring and declared the area safe.
ACT WorkCover will now investigate.