A blaze that began in Shannon National Park is one of three started by lightning strikes across south-west Western Australia on Friday last week.
ABC News has reported the fire has being located 20 kilometres east-south-east of Northcliffe and 350 kilometres south-east of Perth.
Local fire authorities have warned people in the vicinity of O’Sullivan Forest Block are under threat by fire, with residents being urged to leave immediately if the way is clear.
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