Perth Hills bushfire destroys 71 homes with conditions set to worsen

WA fire commissioner says the out-of-control blaze has destroyed at least 71 houses with a wind change expected Wednesday afternoon
Almost 60 homes lost in Perth Hills as family watch house burn on TV

An out-of-control bushfire burning in the Perth Hills that has already destroyed 71 homes is extremely volatile", with a wind change on Wednesday expected to worsen conditions.

A firefighting Boeing 737 aerial tanker from New South Wales is being flown west to assist with efforts to battle the blaze which had ripped through 9,000 hectares by Wednesday morning and triggered a smoke warning after ash fell in the Perth CBD - about 30km from the fire front.