A 14-year-old boy from Dublin remains missing this morning.
Gardaí are appealing for the public's help in tracing Mark Twomey, who was last seen in Ballymun at around 10pm on Thursday night.
Mark is 4ft 4" tall, of slight build, with brown hair and hazel eyes.
The last time he was seen he was wearing a grey addidas top with yellow strips and black bottoms.
Anyone with information is asked to contact the Gardaí.