The 15-year-old, who cannot be named for legal reasons, stabbed Harvey Willgoose, also 15, in the heart during their lunch break at All Saints Catholic High School in Sheffield on February 3.

Harvey Willgoose, 15, was stabbed in front of horrified children by another 15-year-old boy who had brought a hunting knife to school

South Yorkshire Police to be investigated over potential failings in months before murder of Harvey Willgoose