UPDATE: Josh has been traced safe and well.
Josh McDowall was last seen at his address in Erskine around 8am on Monday, February 28.
He has been missing since and concerns are growing for his welfare.
The 15-years-old is described as white, 5ft 8ins tall, slim build, with short brown hair.
He is believed to be wearing a black French Connection jacket, Royal blue Lacoste tracksuit bottoms, and black Nike trainers.
READ MORE: BMW driver arrested after helicopter chase on Glasgow's M8 motorway
It is believed he might have travelled to Glasgow city centre, Paisley or Greenock by bus or train.
Police officers are appealing to the public to call if they have seen him since this time, or who have any information which could be relevant.
Anyone can contact Police Scotland via 101 quoting incident number 2362 of February 28.
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