Joshua was last seen on Thursday afternoon.
Police need the public's help to locate 12-year-old Joshua.
He was last seen at 3.15pm on Thursday at Wojak Community Resource Centre in Balga.
Joshua is described as fair skinned, 150cm tall, with aslim build and short dark blonde hair.
He was last seen wearing black jeans, red Nike shoes and a cream baseball cap.
Police have concerns for his welfare and ask anyone who sees Joshua, or has any information relating to her whereabouts, to call Police on 131 444.
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