Have you seen missing 17-year-old Riley from Stevenage?
Officers are growing increasingly concerned for the teenager's welfare after he went missing from his home over a week ago.
Riley left home at around 9.20am on Wednesday, March 6, and has not been seen since.
He is described as white, 5ft 5in tall, of slim build and with dark brown hair. He has a scar on his forehead and a slight moustache.
Riley was last seen wearing a grey hoody with a black hoody underneath, black tracksuit bottoms and black Nike Air Max 95s.
He has links to Stevenage and Hemel Hempstead.
Anyone who has seen Riley or has information on his whereabouts should call the non-emergency number 101 quoting ISR 14 of 7 March.
For immediate sightings, call 999 straight away.
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