UPDATE 9:31 p.m. 12/24/2014: Ms. Harris has been found unharmed and in good health.

EARLIER: WASHINGTON — Police have issued a Silver Alert for a missing 86-year-old Prince George’s County woman.

Gladys Harris is described as black, 5-foot-7 and 130 pounds. She has gray hair and brown eyes.

She was last seen wearing a black coat, beige sweater and blue pants.

Prince George’s County police say she was last seen at 6:39 p.m. Tuesday in Clinton, Maryland.

She may be driving a gray,  2004 Toyota Camry, with Maryland tags, 9DTB57.

If you see her, call 911 or the  Prince George’s County Police at 301-352-1200.