Update - March 10: Sophie Mercer has been found safe and well.
Gardaí are appealing for the public's help in tracing a 15-year-old girl who is missing from Ballymun in Dublin.
Sophie Mercer is described as 5'4'', of thin build with long brown hair.
When last seen she was wearing a black and silver top and black leggings.
Anyone with information is asked to contact Ballymun Garda Station on 01 666 4400.