Police are concerned about the welfare of a man who has been missing for almost a month.
Stephen Scale, of Wingrave Road, Tring, was last seen at Lynsters fishing lakes in Harefield on September 23.
Since then he has been spotted in Oben, Scotland, where it is believed he was trying to get a bus to Fort William.
The 53-year-old is described as white, 5ft 10ins tall, of stocky build, clean shaven with mousey receding hair and green eyes.
Anyone with information about his whereabouts is asked to call Herts Constabulary on 101.