The HSE has set up a helpline for parents in Co. Donegal who may be concerned for their children following the death of 15-year-old Shannon Gallagher.
Shannon, the older sister of Erin Gallagher, from Ballybofey, died by suicide last night.
Her death comes just six weeks after 13-year-old Erin took her own life, amid allegations that she had been bullied online.
Ireland has one of the highest suicide rates in Europe.
There is always someone there to listen when you're ready to talk: http://t.co/HWiJ0J6G— SpunOut.ie (@SpunOut) December 13, 2012
Communications officer with Spunout.ie - Ian Power - said it is vital that young people, who may be feeling depressed, seek help: