The sister of a missing schoolgirl in Dublin has issued a public appeal to help find her.

15-year-old Sarah Lennon hasn't been seen since she left school at around 2pm yesterday afternoon.

According to her sister Leanne she may in the Dolphin's Barn area of the capital.

When last seen she was wearing blue Doc Marten boots, a blue jumper, black leggings and a wine leather jacket with studs.