St. Louis, MO (KTRS) An endangered person advisory is in effect for a missing man.

According to the Missouri Highway Patrol, 40-year-old William Harris went missing just before 7 P.M. yesterday.

He is described as a white male, 5 feet 10 inches tall, 250 pounds with a shaved head and a beard. He is believed to be on foot in the south county area and is thought to be suicidal.

If you have any information, please contact county police at 636-529-8225.