Police are trying to locate 16-year-old Amber Anderson from Silver Spring.
Anderson left her home around 10 p.m. Thursday and hasn't been seen since. She suffers from a medical condition that may require treatment. Police believe she may be traveling to Annapolis.
Anderson is described as a black female, with black hair and brown eyes. She is 5' 5" tall and weighs 160 pounds.
Anyone with information about her whereabouts is asked to call police at 240-773-5400 or 301-279-8000.