On 28 April 2014, 61-year-old teacher Ann Maguire was stabbed to death while teaching a Spanish lesson at Corpus Christi Catholic College in Halton Moor, Leeds, England. The perpetrator, William "Will" Cornick, who was 15 years old when he committed the murder, was sentenced to life with a minimum of 20 years at Leeds Crown Court on 3 November 2014.

Halton Moor is a district of east Leeds, West Yorkshire, England, about three miles east of Leeds city centre close to the A63. It is situated between Killingbeck to the north, Temple Newsam to the south, Osmondthorpe to the west and Halton and Colton to the east.