Davison Township Police are searching for a missing 9-year-old boy who was last seen Saturday (7/4) between 5:30 and 6:00 pm. An Amber Alert has been issued for Omarion Humphrey, who authorities say is severely autistic.

Dive teams have searched Callis Lake, and have not found the boy. The Jack Abernathy Regional Park and Callis Lake Recreational Facility were put on lock down Saturday night.

Omarion is unable to speak, but responds when his nickname 'Mars' is spoken. He's a black male, 9 years old, weighs 70 pounds and has brown eyes and black hair. He was last seen wearing black shorts with a red stripe, no shoes, and no shirt.

If you have any information about Humphrey, you're urged to call 911 immediately.