An emergency bushfire warning has been issued for parts of the Donnybrook-Balingup Shire in the south-west of WA, with lives and homes under threat.
The emergency warning is in place for people bounded by Austin Road across to Best Road, Collie-Preston Road, Bibbulmun track across to Laymans Road and the Donnybrook-Boyup Road, Grimwade Road, Lowden-Grimwade Road, Morrissey Road and Yabberup Road in Glen Mervyn, Mumballup, Noggerup, Thomas Brook and Yabberup in the Shire of Donnybrook-Balingup.
The Department of Fire and Emergency Services is warning residents that it is too late to leave, and leaving now would be deadly.
Residents should shelter in their homes in a room away from the fire front, and make sure they can easily escape.
The blaze, which was sparked by lightning on Tuesday morning, has been upgraded after jumping a containment line.
It is moving fast in a north-westerly direction and is not contained or controlled.
So far, more than 5,000 hectares of land have been burnt.
Donnybrook-Boyup Brook Road between Chapman Road and Collie-Preston Road is currently closed.
Residents and travellers are urged to avoid the area.
An evacuation centre has been set up at Donnybrook Recreation Centre.
Some 100 firefighters are battling the blaze and aerial support has been sent to assist.
Visit Emergency WA, call DFES on 133 337, follow DFES on Twitter or listen to ABC Local Radio to stay up to date.