(Portland, OR)  --  Police are searching for a teenage girl who has been missing for more than a week.  Police say 15-year-old Noura "Lily" Rose Yahiaoui was last seen March 9th at her grandma's house in the Shady Cove area.  She was reported missing March 14th, and investigators believe she may have run away with an adult male.  Anyone with information is urged to contact police.