Update: Silver Alert issued has been discontinued.

A Silver Alert has been issued for a 75-year-old woman with a cognitive impairment who was last seen Monday evening in Arlington.

Retha Jarman was last seen about 5:30 p.m. driving a maroon 2009 Chevrolet Impala with Texas license plate HCY 9935.

Law enforcement officials believe Jarman's disappearance poses a credible threat to her health and safety.

Jarman is a white woman who's 5 feet 6 inches tall and weighs about 113 pounds. She has black and gray hair and brown eyes, and was wearing a white sweater, turquoise long-sleeved shirt, beige pants and blue tennis shoes.

If you have information regarding Jarman's location please call Arlington police at 817-274-4444.