UPDATE: Alva has been found safe and well.
Gardaí are appealing for information relating to the whereabouts of Alva O'Leary who has been missing since yesterday, January 9.
The 14-year-old was last seen at approximately 9.15pm in the Orwell area of Rathmines and Gardaí say her friends and family are "very concerned" for her welfare.
She is described as being 5'3'' in height, of slim build with long blonde hair. She was last seen wearing a red jacket, dark jeans or leggings and Adidas runners.
Anyone with information regarding Alva's whereabouts is asked to please contact Rathmines Garda Station on 01 666700, the Garda Confidential Line on 1 800 666 111 or any Garda Station.