Suspicious Broome fire enters its 5th day

Firefighters continue to battle three blazes in Western Australia's north, which have destroyed more than 200,000 hectares of bushland.

A suspicious fire, which has destroyed almost 180,000 hectares of bushland, is still burning in WA. (AAP)

A suspicious fire, which has destroyed almost 180,000 hectares of bushland, is still burning north of Broome, five days after it began.

WA Department of Fire and Emergency Services has issued an alert level of `advice' for the blaze near Country Downs station, 70km north of Broome.

Fire services are also battling an out of control blaze 40km south of Halls creek in WA's north, having burnt through 30,000 hectares of bushland since last Wednesday.

A third fire, which was reported on Saturday afternoon, is moving south towards the Great Northern Highway near Port Hedland.

There are no threats to lives or homes at this stage.