Eighty seven year old Alexander Henderson hasn't been seen since Thursday afternoon.
Police and State Emergency Service volunteer crews have continued their search a missing man in Perth's north.
Alexander Henderson was last seen at his house in Hillary's around 4:30pm on Thursday.
Crews will today again search the Whitfords/Hillarys and Pinnaroo areas for missing the 87-year-old.
A police command post has been set up at the Pinnaroo Point carpark in Hillarys.
Mounted Section officers, SES volunteers and police will be continuing their search of the coastal areas and surrounding suburbs.
Mr Henderson is described as fair skinned with a slim build, 165cm tall and white hair.
It is not known what he was last seen wearing, but he is often seen in a blue polo shirt, light brown dress shorts and a brown jumper.
He should also be wearing a necklace with next of kin information attached.
Mr. Henderson is known to frequent the Whitfords/Hillarys area.
Police have concerns for his welfare and ask anyone who sees Alexander, or has any information relating to his whereabouts, to call Police on 131 444.
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