UPDATE: Hansan Larry Ross has been located and is safe and unharmed.
Montgomery County Police are searching for a missing mentally challenged teen from Silver Spring.
Police say 18-year-old Hasan Larry Ross was last seen at his home around 7:30 p.m. Tuesday. He is believed to be on foot but is familiar with public transportation. Police say Ross functions as the level of a 10-year-old.
Ross is described as an African-American male, 5'6" tall, weighs 135 pounds and has very short black hair. He was last seen wearing a yellow shirt, bleached-washed jeans and carrying an unknown color backpack.
Anyone with information is asked to call police at 301-279-8000.