OAKLAND (CBS SF) — UPDATE: Oakland Police located Retha Glenn Friday afternoon.

Oakland Police asked the public for help Friday in locating a missing, at-risk person. 

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Police said Retha Glenn, 61, was last seen at her residence on Thursday in the 3400 block of 64th Avenue Place. 

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Glenn is an African American female, 5’3”, 135 pounds, gray/black hair with brown eyes. Witnesses last saw her wearing a gray shirt, gray sweat pants and possibly a COVID-19 face mask.

Glenn likes to walk in the area of  Walgreens located at Fruitvale and Foothill Boulevard. She’s considered at risk because she suffers from Alzheimer’s disease.

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This investigation is ongoing and anyone with information is asked to contact the Oakland Police Department’s Missing Persons Unit at (510) 238-3641.