Mum of teen who died tragically claims alleged harassment 'exponentially worse' since case taken against Gemma O'Doherty

(Pictured: Ms Gemma O'Doherty. Photo: Collins) The mother of a teenager who tragically died by suicide has claimed before the High Court that she has been the target of an "exponentially worse" online campaign of intimidation and harassment after she commenced a legal action against Gemma O'Doherty.