Christine Chaplin, an 80-year-old black female, was last seen in Freeport, N.Y., at 11 p.m. on Saturday driving a 1992 blue Buick Century with the New York license plate number of N9Y-616.
She may be lost or confused and in need of medical attention, according to the advisory.
Any information should be reported by calling 516-377-2411 or 911.
The alert includes Westchester, Putnam, Rockland and Orange counties as well as Long Island and New York City.
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