An office building on London Circuit in Civic was evacuated on Thursday afternoon with firefighters responded to a strong smell of smoke.
The incident was reported shortly after 3pm and about five fire trucks and a commander were on scene.
An ACT Emergency Services Agency said no fire or smoke was detected in the building. Firefighters were investigating where the smell of smoke came from.
Workers were allowed back into the building around 4.30pm.
London Circuit was temporarily closed eastbound from Northbourne Avenue.
More to come.