Police have confirmed that they are scouring a residential area in Helensburgh in connection with the disappearance of Mary Duncan 44 years ago.
The 17-year-old vanished after leaving her home in Bonhill to visit a friend in 1976 and no trace has ever been found since.
Last month, officers began an extensive search of land at the Vale of Leven Hospital.
And today, they have confirmed the latest development.
Detective Superintendent Calum Young from West Dunbartonshire CID said: “This latest development is due to extensive enquiries carried out in an attempt to find any indication of where Mary could be.
“This new site is within a residential area and as such I would like to stress that any disruption to local residents must be kept to a minimum, and would ask both the media and public to remain mindful of this.
"Any updates from the new search site will be provided in due course.”
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