A 12-year-old schoolgirl accidentally hanged herself after a row with her twin brother over the family computer.
Jessica Jevons was sent to bed early then hanged herself 'as a demonstration of annoyance' but expecting to be found, an inquest heard.
But it was 15 minutes before her brother Patrick found her and raised the alarm. The appalling tragedy happened in Walkden, Greater Manchester.
Jessica was described as a 'happy and outgoing' schoolgirl who had been arguing with Patrick about using the family PC just before she died.
She was told to go bed but stormed upstairs and hanged herself on February 5.
Her mum Michelle, who frantically tried to save her daughter, said in a statement: "Jessica had an argument with her brother, they had argued about the use of our computer. Jessica was told to go to bed, it would have been around 9 pm.
"At around 9.15 pm Patrick also went upstairs to bed and he discovered Jessica. He raised the alarm and got her down and I commenced CPR and an ambulance was called - but sadly Jessica had died."
She added: "This has come totally out of the blue, she was a happy, outgoing girl, she had been happy all that week and she was looking forward to going to Spain for the summer holidays.
"She had a boyfriend and they had a good relationship. She did not have any issues and was happy at school she had lots of friends. She had been bullied at school years before but had got over that and had blossomed and had not been bullied since.
"She had never attempted to take her life before. We can't understand, we think it was an accident which went wrong. We can't believe it was intentional, there are no issues over the circumstances of her death."
Recording a verdict of accidental death Bolton coroner Jennifer Leeming said: "I could not possibly say that this young lady intended to take her own life.
"The situation is that Jessica has gone upstairs after a minor row, she has been absent from the family for a very short time, nothing has been heard.
"She has placed herself in a situation - where allowing for the fact that there were more private locations, she must have known she could be easily found indicating to me that was her intention.
"She was displaying herself, she had put herself on display to demonstrate upset or an annoyance in the hope that she would be found. It seems to me that Jessica probably intended a demonstration that has tragically gone wrong."
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