Gardaí are seeking the public's help in tracing the whereabouts of 16-year-old Alannah Corrigan who was last seen in Dun Laoghaire, Co Dublin, yesterday afternoon.

Alannah is described as being 1.3m (4'7") in height, of slight build and with black hair.

When last seen she was wearing a black hooded top, green and black leggings and runners.

Anyone who has seen Alannah or who can assist in locating her is asked to contact Dun Laoghaire Garda Station on 01-6665000, the Garda Confidential Line on 1800 666 111 or any garda station.