Businessman guilty of murdering family of four
27 November 2013 Last updated at 18:59 GMT
Businessman Anxiang Du has been convicted of murdering a family of four in a revenge attack after he lost a legal case against them.
Jifeng "Jeff" Ding, his wife, Ge "Helen" Chui, and daughters Xing, 18, and Alice, 12, were stabbed to death in Wootton, Northampton, in April 2011.
Ben Geoghegan reports.