Authorities are appealing for help today (Thursday, November 11) in the search for a teenager who has been missing from his home in Chessington for seven days.

An appeal featuring a photo of Archie, 15, was released by Kingston MPS who said he had been missing since last Thursday (November 4).

Urging people to call 999 if they see Archie, police said that contact "had been made" with him "via text" but that they had not located him.

"#MissingPerson | 21MIS034903. 15 year old Archie is missing. On the 4th November he left his home in #Chessington and hasn't returned. Contact has been made with Archie via text but we are yet to locate him. He frequents #Surbiton & #KingstonVale If you see him (call) 999."

Click here for info.