Dozens of firefighters are tackling a massive blaze at Pickles Auctions at Bibra Lake, in Perth’s southern suburbs.

Smoke is billowing from the blaze at the Sudlow Road premises, where cars stacked three-tiers high are on fire, with hundreds more at risk from the fire.

Firefighters were called to the scene just after 5pm on Friday, and are expected to remain on the scene for hours.

WA Police said there had been no injuries reported at this stage.

A smoke alert has been issued for people in the area.

It is not yet known how the fire started.

More to come