Major Derrimut factory fire after chemical explosion, Western Freeway lanes closed
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Major Derrimut factory fire after chemical explosion, Western Freeway lanes closed

A raging fire at a factory in Melbourne’s west has now been brought under control.

Nearly 200 firefighters responded to a fire on Swann Dr, Derrimut, which is believed to have been caused by a chemical explosion.

WATCH THE VIDEO ABOVE: Crews battle a raging factory fire in Melbourne’s west.

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At 3:30 p.m., approximately four hours after the first units arrived on the scene, the fire was considered under control.

Specialist crews and agencies, including the Environment Agency and scientific advisors and hazardous materials specialists from Fire Rescue Victoria, continue to work on site.

The “Feel and Act” message continues to apply to residents of Derrimut, Laverton North, Sunshine, Sunshine West and Truganina.

Vic Emergency says winds are blowing “toxic smoke” eastwards over Derrimut.

People staying at home were asked to close all external doors and windows.

“Close vents and make sure heating and cooling systems are turned off.”

Residents of the affected suburbs who were not at home had previously been advised to stay away.

The fire raged for about four hours.
The fire raged for about four hours. Loan: 7NEWS
Wind carries 'toxic smoke' east over Derrimut.
Wind carries ‘toxic smoke’ east over Derrimut. Loan: 7NEWS

The Victoria Fire Service said hazardous materials and “unknown toxins” were burning in the building.

“A large cloud of smoke is rising over Melbourne’s eastern and western suburbs,” FRV reported.

“Anyone in the smoke-affected area should immediately seek shelter in an enclosed space.”

The site of the previous deadly factory explosion.

Last year, another chemical explosion occurred at the ACB Group factory in which a man died.

At least 30 people were evacuated, but after the fire was extinguished, the body of a 44-year-old man from Hoppers Crossing was found inside.

One other worker suffered minor injuries.

The highway is closed

All lanes of the Western Fwy were closed between the M80 Ring Rd and Ballarat Rd.

The city-bound lanes have now been opened to traffic, but the exit lanes remain closed.

Drivers are advised to use the M80 Ring Rd and Ballarat Rd to avoid the closure, or Fitzgerald Rd and Robinsons Rd.

“This emergency is being managed by Victoria Fire and Rescue Service,” the Department of Transport said.

“The Western Fwy lane will be opened when it is safe to do so.”

Due to the fire, traffic in the area was disrupted.
Due to the fire, traffic in the area was disrupted. Loan: 7NEWS

There are no reports of injuries and it is believed that all people in the building were safely evacuated.

Errin Morton, who was driving past the fire, told 7NEWS.com.au she could feel the heat from the fire coming through her car.

“The windows were hot and there was a really strong smell of chemicals,” she said.

WorkSafe has been contacted for comment.