ACT Fire & Rescue are on scene at an apartment building on Marcus Clarke Street in Civic after receiving an Emergency Triple Zero call reporting smoke coming from the building.
Two pumpers, the breathing apparatus support vehicle, a HAZMAT vehicle and a commander responded to the call.
Approximately 300 people have been evacuated from the building.
Firefighters are currently ventilating the building and conducting atmospheric testing.
Occupants are being allowed back into the building as each floor is cleared due to the wet weather conditions.
Update to follow.