More than 2500 people have been evacuated from Scarborough, Sirius and Aviation House.
There is no sign of fire but crews are continuing investigations on all floors of the three buildings.
Power has been restored.
ACT Ambulance Service are also on scene but no injuries reported.
ACT Fire & Rescue are on scene at Phillip investigating reports of smoke within the basement of a building along Furzer Street.
Staff have been evacuated from two neighbouring buildings.
The power supply has been interrupted and fire crews are investigating with assistance from fire wardens.
There are four pumpers, bronto skylift hydraulic platform, breathing apparatus van and two commanders on site.
Update to follow.
The grass fire at Paddy’s River has been extinguished.
Crews are conducting mopping up operations.
The ACT Rural Fire Service and ACT Fire & Rescue will shortly conduct a final patrol of the area before leaving the scene.
The cause has been deemed accidental.
Numerous Emergency Triple Zero (000) calls were made from 1:20pm.
The ACT Rural Fire Service and ACT Fire & Rescue are working to extinguish a grass fire burning at Paddys River.
The Bushfire Alert and Warning Level for this fire has been set at ADVICE.
The ACT Rural Fire Service and ACT Fire & Rescue has seven units responding to the scene.
The fire is located near the river at Point Hut Crossing.
The fire is approximately two hectares in size and is being controlled.
The fire is burning at a slow rate and is heading in a easterly direction.
The Fire Danger Rating where this fire is burning is VERY HIGH.
Fires burning in VERY HIGH conditions can be difficult to control – flames may burn into the tree tops.
There is little to no risk to life and property from this fire.
Following yesterday’s controlled burns some smoke remains visible across the ACT.
ACT Territory and Municipal Services (TAMS) crews are patrolling sites in O’Connor, Gordon, Isaacs and Gilmore, conducting mopping up operations.
The ACT Emergency Services Agency has received a number of calls from the public concerned about smoke haze.
If you see a fire without a crew or truck in attendance please ring Emergency Triple Zero (000).
There are no new controlled burns planned for today.