Around 20 people have been evacuated from a unit block at Mortdale this afternoon.
Firefighters were called to the unit fire on Martin Place at 4:05pm after multiple triple-0 calls.
It’s believed the blaze started on the first floor of the building.
Fire crews from Kogarah, Hurstville and Lakemba have worked to contain the fire to the first floor.
There are no reported injuries.