FIREFIGHTERS are attending a shed fire in Dayton, with alert advice in place for people in the area.
Reported about 2.10pm, the fire on West Swan Road near the intersection of Cranleigh Street is in a shed that contains machinery and hay bales.
The Department of Fire and Emergency Services says there is a lot of smoke in the area but no direct threat to lives or homes.
About 50 volunteer Fire and Rescue Service and Bush Fire Service firefighters are on the scene working to contain and control the fire.
The cause is unknown and the Department of Environment Regulation is also on site.
Cranleigh Street has been closed.
Visit www.emergency.wa.gov.au .
The Department of Parks and Wildlife has also conducted prescribed burns 11km east of Bullsbrook and 14km east-south-east of Yanchep today.
UPDATE, APRIL 11: A DFES spokeswoman said the cause was accidental and the fire caused about $500,000 damage.