The full extent of damage from yesterday's toxic fire in Melbourne's west is gradually being uncovered.
Nearby businesses will soon be allowed to return to their workplaces on a case-by-case basis, according to authorities.
Firefighters continue to suppress the fire.
It has been deemed under control.
Despite the size of the fire, there were no reported major injuries.
Helicopter shots of the damage caused by the chemical explosion.
Fire Rescue Victoria decsribed the blaze as
"challenging and dynamic".
There were many road closures in place along with a 'Watch and Act' warning for people living near the area.
A chemical explosion has sparked a massive factory fire in an industrial area of Derrimut in Melbourne's west.
More than 50 fire trucks have rushed to battle the out-of-control blaze.
The fire is sending plumes of toxic black smoke stretching for kilometres over Melbourne's west.
The toxic fumes can be seen rising high into the air over Derrimut before spreading out across nearby suburbs.
Residents in the following suburbs have been told to shelter inside immediately: Albion, Braybrook, Brooklyn, Derrimut, Laverton North, Sunshine, Sunshine West, Tottenham and Truganina.
A fence buckles under the force of the blaze as it burns through the large factory, which is understood to house large quantities of toxic chemicals.
A man died in a factory fire on the same street in Derrimut in October last year.
Emergency services were first notified of the blaze at 11.20am today.
There have so far been no reports of injuries and it's believed that everyone inside evacuated safely.
Aerial vision shows burnt gas bottles at the site as the fire continues to grow.
The flames forced a fence to fall and is inching dangerously close to a grassed area.
Nearby residents were advised to shelter indoors immediately, close all exterior doors and windows, close vents and ensure heating and cooling systems are turned off.
Residents away from home were told not to return.
Victoria Emergency upgraded its advice warning to a Watch and Act.
