Firefighters remain at the scene of the Baldivis fire but there is no longer a threat to lives or homes, meanwhile a Port Kennedy blaze is being treated as suspicious.
An alert level fire burning in Baldivis has been downgraded.
The blaze continued to burn east of Kwinana Freeway but emergency services said the fire was now controlled and contained.
The states bushfire taskforce will now investigate another fire that started burning over the weekend in Port Kennedy.
Authorities said the blaze was being considered suspicious.
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