UPDATE: Xander has been found.
The 16-year old was last seen in Lesmurdie around 8:30am, Thursday morning.
He is described as approximately 180cm tall, with a medium build, brown hair and blue eyes.
Authorities believe Xander to be in the Kalamunda area.
Anyone who sees Xander or has information on his whereabouts should call police immediately on 131 444.
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