The murder of Lorna Woodnut happened at a property in a rural area outside Tullamore, Co Offaly in September last year.

Mr Justice Paul McDermott said Ms Woodnutt had suffered a sustained assault, which the teen had carried out with an “extraordinary level of brutality and viciousness”.

The boy, who is under 18, cannot be named under the Children's Act

Lorna Woodnutt's family had previously described the sledgehammer attack as a 'public execution, hosted on social media by her murderer'

A Texas father has been acquitted in the starvation death of his four-year-old son despite horrifying videos showing the boy with protruding bones begging for food.

More allegations about a trainee surgeon convicted of raping two women have been made to the BBC.

A 15-year-old serial rapist who has been sentenced for raping other children, including a classmate, started his sexual attacks at age 12 and admitted to the crimes but was never prosecuted due to his age.