UPDATE 2PM MONDAY: Blue Mountains Police advise Hannah Stewart has been located and returned home safely.
Police are appealing for public assistance to locate a teenager missing from the Blue Mountains.
Hannah Stewart, aged 14, was last seen near a school on Grose Road at Faulconbridge, about 8am on Monday, May 20.
She failed to return home after school and officers from Blue Mountains Police Area Command were notified on Thursday, May 23.
Police and family have concerns for Hannah's welfare due to her age.
Hannah is described as being of Caucasian appearance with a fair complexion, about 155cm to 160cm tall, of thin build with long red hair.
She was last seen wearing a school uniform - green jumper, white shirt, and black shorts.
Police believe Hannah may have travelled to the Nepean area with friends.
Anyone with information about Hannah's whereabouts is urged to contact Springwood Police Station or Crime Stoppers on 1800 333 000.
