A man who murdered a Northampton family has been sentenced to life in prison with a minimum term of 40 years.
54-year-old Anxiang Du stabbed Jeff Ding, his wife, Helen, and their two daughters, Xing and Alice to death on April 29, 2011.
A Judge has described how Anxiang Du was a "man on a mission" on the day he killed a Northamptonshire family.
Today the man who repeatedly stabbed a family of four was found guilty of murder in what was described in court as a cold-blooded massacre.
A killer who massacred a family of four was able to flee the country after police mishandled a 999 call from one of the victims.