The search is continuing for an elderly woman missing in bushland in the State's south.
Patricia Byrne, 84, was last seen at 11.30am on Thursday in bushland near Mt Trio and Salt River Road near Mount Barker.
She was not carrying food or water and did not have a mobile phone.
The search for Ms Byrne continued overnight but there was no sign of her.
On Saturday morning, specialist police units joined the search, including drones and water police, along with specialist trackers, SES volunteers and rangers.
Ms Byrne was last seen wearing a cap with a camouflage net, a green and white polo shirt, grey 3/4 length pants and black runners.
Police said she has no known medical condition and is fit for her age.
Police would like to hear from anyone who was in the Salt River Road, Formby Road South, Chester Pass Road and surrounding areas on Thursday, and who may have seen or provided a lift to Ms Byrne.
Anyone with information on Ms Byrne's whereabouts is urged to contact police on 131 444.
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