PHOENIX -- Authorities issued a Silver Alert on Saturday for an elderly couple that was last seen in Phoenix on Friday.

Sadie and Reed Cisco, 76 and 72 respectively, were last seen near 83rd and West Virginia avenues at 7 p.m., according to the alert.

The Ciscos were last seen in a red Dodge Ram truck with a New Mexico license plate ASHD05.

Reed is 5 feet, 4 inches tall and weighs 196 pounds with gray hair and brown eyes, while Sadie is 4 feet, 9 inches tall and weighs 100 pounds with gray hair and brown eyes.

Authorities said they might traveled back to New Mexico.

The Ciscos have medical conditions that can cause them to become easily confused. Authorities said Sadie needs oxygen and left extra bottles behind.

Anybody with information on the Ciscos whereabouts is asked to call the Phoenix Police Department Missing Persons Unit at 602-534-2121 or 602-262-6151 after hours.