Gardaí have launched a criminal investigation into the death of a teenager whose mother believes was cyberbullied in the weeks before he took his own life.

A heartbroken mother who believes her teenage son took his own life after being cyberbullied has pleaded with Facebook to show compassion by releasing records to the coroner.

A mother who suspects her teenage son’s death by suicide is linked to cyberbullying told the coroner that she has found “horrific” and “threatening” messages on his phone.

The mother of a teenager who took his own life has told a coroner that he may have received threatening messages on Facebook before his death.