Update: Nyona Grave has been found, according to Brentwood police.

BRENTWOOD, Calif. (KRON) — The Brentwood Police Department is searching for a 70-year-old woman last seen Monday night.

She is considered at-risk because of her history with Alzheimer’s disease, according to Brentwood police.

Nyona Graves was last seen around 9:41 p.m. Monday in the area of Nicholas Court and Dainty Avenue.

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She is described as 5 feet tall, about 170 pounds with gray hair and black eyes. She was last wearing a black jacket and leggings, with a red top, police said.

If you think you have seen this person or have any information regarding this person, please call the Brentwood Police Department immediately at (925) 809-7911.