Firefighters are battling a blaze at a pest control company in Jandakot.
A Fire and Emergency Services Authority spokesman said the fire was reported at the business, which is in a row of shops on the corner of Berrigan Drive and Jandakot Road, about 4.15am.
He said the fire had been brought under control by 5.40am. It affected two units in the group of shops and caused half a million dollars damage.
The cause of the blaze will be investigation by the police arson squad and a FESA fire investigation officer.
Firefighters and the Department of Environment and Conservation are assessing the risk of dangerous smoke or water runoff in case of chemicals at the site.Fire crews from Success, Murdoch, Fremantle, Canning Vale and Belmont fought the blaze and Dean Road was closed at the intersection of Berrigan Drive.
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