Firefighters are currently tackling a massive fire at a Melbourne factory.
According to Nine News, the fire broke out in at Thorneycroft Road in Campbellfield, earlier this morning.
WATCH the terrifying footage of a Melbourne factory that has caught fire
It has been reported to be a waste factory.
Nine News reports fears of hazardous waste may be amongst the material that caught fire.
The smoke is believed to be toxic, with Nine News reporting that authorities are warning people in the area to stay inside and not inhale the smoke.
Authorities are also urging people to avoid the area and keep the roads clear for emergency services.
All residents in Broadmeadows, Pascoe Vale, Coburg have been advised to take shelter indoors immediately.
Any residents in that area have been advised to close their windows, doors and turn off heating and cooling systems, especially if they are sensitive to smoke.
Nine News reports that eighty firefighters are currently on the scene.
The cause of the fire is still unknown.
This is a developing story.