An Endangered Child Alert has been issued for a missing 13-year-old from East Ridge, Tennessee. The Tennessee Bureau of Investigation reported Matthew Hancock missing late Saturday night. Matthew was last seen riding a blue mountain bike and wearing gray shorts and a dark T-shirt. He is 5 feet tall, 93 pounds with brown hair and brown eyes. He wears dark-rimmed glasses. Anyone with information is urged to contact the East Ridge Police Department at 423-867-3718 or TBI at 1-800-TBI-FIND.