Gardaí in Dublin are appealing for help in tracing the whereabouts of a missing teenager.

16-year-old Alannah Corrigan has been missing from Dun Laoghaire since yesterday, Thursday 14th March.

She's described as being 4'7" tall, of slight build, with black hair and blue eyes.

She's known to frequent the O'Connell Street and Mountjoy areas of the capital.

Anyone with information about Alannah's whereabouts is being asked to contact Dun Laoghaire Garda Station on 01-666-5000, the Garda Confidential Line on 1800-666-111, or any Garda station.