Homes threatened by bushfire southeast of Perth

A slow moving fire in Perth's southeast is threatening homes.

The Department of Fire and Emergency Services (DFES) has issued a watch and act warning for Araluen Estate in Roleystone in the City of Armadale.

"There is a possible threat to lives and homes as a fire is approaching the area and conditions are changing," the DFES said.

"You need to leave or get ready to actively defend."

The fire is burning in inaccessible bushland along Canning Dam Road near McNess Drive and is burning towards Heritage Drive and slowly moving west.