UPDATE:  Police canceled the Silver Alert issued for a missing Plymouth couple early Tuesday morning.  Emergency dispatchers in Marshall County tell us the couple was found safe.  As of Tuesday morning, they were in Chicago, and family members were headed to pick them up.

ORIGINAL STORY:

PLYMOUTH -- Police issued a statewide Silver Alert for William Wallace, an 80-year-old man from Plymouth.

The alert was issued early Monday morning. William was last seen Sunday at 9 a.m.

Police say William is 5'10" tall, weighs 170 pounds, has gray hair with blue eyes and is driving a gray 2014 Ford Fusion with Indiana license plate TF644.

Police say he's with Jane Wallace, who's also 80 years old.  She's 5'1" tall, weighs 100 pounds, and has gray hair and brown eyes.

William is believed to be in extreme danger and may need medical assistance.

If you've seen him, call Plymouth Police at (574) 936-3187 or 911.