UPDATE 9.40am: Joshua has been found safe and well in Girrawheen.
ELLENBROOK police are searching for a missing 12-year-old boy who was last seen in the Bullsbrook area.
Joshua was last spotted yesterday afternoon when he was dropped off at the BMX park on West Road.
He was riding a silver BMX bike and did not have a helmet or a bag with him.
He was wearing a white t-shirt, black pants, a red cap and bright orange Nike jogger-style shoes.
Joshua is about 145-155cm tall with a slim build and is light-skinned with short blonde hair and blue eyes.
Anyone who sees Joshua, or who knows where he is should contact police on 131 444 or call Crime Stoppers on 1800 333 000.