Police are concerned for the welfare of Gary Smith, 15, who has been reported missing from his home in Johnstone.
Gary was last seen in the Floors Street area around 12.15pm on Friday (June 4) and is believed to have travelled to Glasgow city centre by train.
He is 5ft4, with black hair and was last seen wearing a black North Face jacket, black tracksuit bottoms and black and grey trainers.
Sergeant Callum MacTaggart said: "We are becoming increasingly concerned for Gary's welfare and want to ensure he is safe and well.
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“He is known to frequent the Glasgow city centre, Paisley and Clydebank areas. We believe he may have taken a train to Glasgow.
"If you have seen Gary, or have any knowledge of his whereabouts, please contact police on 101, quoting reference number 1561 of 4 June."
