(Image: West Yorkshire Police)
Police are appealing for information to help find a missing teenager.
Jack, 17, was last seen in the Skipton Road area of Keighley on September 27.
He is described as around 5ft 11ins tall and of slim build.
A spokesman for West Yorkshire Police said: "Officers are making enquiries to locate him as there are concerns for his welfare."
Anyone with information is urged to contact police in Bradford.