UPDATE 5.23pm: A CFA spokeswoman said the Taradale fire was 'under control' with fire activity subsided.
She said the fire was contained but firefighters would remain on the scene blacking out for several hours.
The spokeswoman said a decision had not been made on whether fire crews would remain at the scene throughout the night.
The fire started around noon when an angle grinder being used by a local resident in his shed accidentally sparked.
The surrounding grass and scrub caught on fire and it quickly spread.
The CFA 'advice' status remains in place.
UPDATE 3.36pm: The CFA has said they believe an angle grinder may be to blame for today's fire in Taradale.
The fire remains in 'advice' status, as firefighters have stopped the spread of the grass fire but do not yet have it under control.
While the CFA earlier reported the fire started as a house fire, they have since confirmed this was incorrect.
A CFA spokeswoman said police were investigating the angle grinder lead but could not confirm that this was definitely what caused it.
UPDATE 1.43pm: The Taradale fire near Conlans and Old Drummond Roads has been downgraded to 'advice'.
A CFA spokeswoman said firefighters had "slowed the spread of the fire and no houses were under threat".
She said the fire was still not under control and smoke would still be visible in the area.
She said no roads were closed.
1.08pm: The Taradale fire near Conlans and Old Drummond Road has been downgraded to 'watch and act' status.
Firefighters have slowed the spread of the grass fire, although it is still not under control.
A CFA spokeswoman said the fire started as a house fire, causing the surrounding grass and shrubs to ignite.
She said 24 units were on scene, with another six on route.
As at 12.43pm the fire had burned 15 hectares of land.
The CFA said staying close to shelter is the best option, in case conditions change again.
Earlier: An emergency warning has been issued for Fryerstown, Guildford, Irishtown, Taradale, Vaughan.
There is a fast moving, out of control grassfire travelling in a westerly direction from Conlans Road and Old Drummond, Tardale towards Fryerstown.
The CFA advises people in the area are in danger and need to act now to protect themselves.
"It is too late to leave. The safest option is to take shelter indoors immediately," the warning reads."
Close all exterior doors, windows and vents and turn off cooling systems.
Shelter in a room that has a door and or a window to the outside - It is critical to keep an eye on what is happening with the fire.
If you cannot get indoors, other last resort options include:
A large open area like a ploughed paddock, football oval or sporting reserve.
A large body of water like a dam, lake, river, the ocean or inground pool.
Try to protect yourself from the fire's heat.
In the car:
Park behind a solid structure to block the fire's heat or pull over to a cleared area.
Try to position the car towards the approaching fire.
Put on your hazard lights and headlights.
Turn the engine off, close all windows and ensure that car air vents are closed.
Get down as low as possible below window level and cover up with a woolen blanket.
If you are travelling, do not enter the area, U-turn to safety.
If you are away from home, do not return.
For life or property threatening emergencies call 000
If you need medical advice for burns or smoke exposure call Nurse on Call on 1300 606 024
Tune to ABC Local Radio, commercial and designated community radio stations or Sky News TV
Call the Victorian Bushfire Information Line (VBIL) on freecall 1800 240 667
Deaf, hard of hearing, or have a speech/communication impairment can contact VBIL via the National Relay Service on 1800 555 677.
Download the FireReady App and follow CFA on Twitter or Facebook
Road Closures: check VicRoads Website.