He was last seen in the Fairview area on Monday
Gardaí are seeking the public's help in tracing a missing 17-year-old boy.
Derek Cleary is missing from Fairview in Dublin since Monday September 18th.
He is described as 5'10'' of medium build, with short brown hair and blue eyes.
Anyone with information is asked to contact Raheny garda station on 01-666-4300.