Update: Virginia McFadden has been found, according to an alert issued by Nassau County police at 11:33 p.m. Sunday.
Original Story posted Sunday at12:07 p.m.: Nassau County Police have issued a Silver Alert for a missing Garden City South woman.
According to cops, Virginia McFadden, 59, was last seen on Euston Road at 8 a.m. Saturday. She drives a gray 2004 Honda Civic. She suffers from dementia and is bi polar. McFadden was reported missing by her sister.
She is five feet tall and weighs approximately 90 pounds. If you have seen her, please call your local precinct.
This is a developing news story, and Patch will provide more information as it's made available.