LIVES and homes are under threat from an out-of-control bushfire burning in Perth's outer suburbs.A bushfire watch and act alert has been issued for people in Old West Rd, Della North Rd, Kirby Rd and Asher Rd in the western part of Bullsbrook, in the City of Swan, just after noon.
Residents have been warned to leave or get ready to actively defend their properties.
Those staying to defend have been told to start patrolling around their house with a garden hose and check for spot fires.
Anyone who is not at home is warned not to try to return as conditions in the area could be very dangerous.
The fire was reported at 8.45am and has burnt 15ha.
More than 50 firefighters are at the scene and a helicopter has also been sent to protect crews and homes.