Police say they are now looking for a body after their seven day search for Barbara Colling failed to find any trace.
The 68-year-old Alzheimer's sufferer disappeared from her home in Helmsley last Monday.
Today, dozens of local people volunteered to help in the search.
They were joined by Mrs Colling's children who say they're now prepared for the worst.
Watch the full report from Rachel Bullock below.
The family of Barbara Colling have thanked members of the public for their help in trying to find her.
Specially trained officers search open land at Helmsley looking for missing Barbara Colling who has not been seen for six days.