The judge in the Anxiang Du case has paid tribute to members of the Ding family and jury, some of who are crying, for their part in the trial.
Du has been found guilty of killing four Ding family members in April 2011 and will be sentenced tomorrow.
Anxiang Du has been found guilty at Northampton Crown Court of the murders of four members of the Ding family at their home in Wootton, Northamptonshire, in April 2011.
The jury are returning to court with a verdict in the trial of Anxiang Du, who is accused of murder.
Members of the jury of eight women and four men wept at Northampton Crown Court as the 999 call made to police from Alice Ding's mobile phone was played to the court.
The sound of female screams could be heard on the 20-second call along with the muffled voice of the operator.
Members of a jury in the trial of a businessman accused of murdering a Manchester Metropolitan University lecturer and his family in their home wept as a harrowing 999 call was played in court.
Anxiang Du, 54, is accused of stabbing to death lecturer Jifeng "Jeff'" Ding, his wife, Ge "Helen" Chui, and their two daughters, Xing "Nancy" 18, and Alice, 12, on April 29, 2011.
Du has denied carrying out the four murders on the day of the royal wedding between Prince William and Kate Middleton.
Prosecutors allege Du stabbed the Ding family in order to "avenge himself" after their business relationship turned sour and he ended up owning thousands of pounds in costs following a lengthy legal battle.
A Chinese businessman, motivated by revenge, brutally knifed a family of four on the same day as the rest of the country celebrated the royal wedding, a court has heard.
Anxiang Du, 54, denies killing Manchester Metropolitan University lecturer Jifeng "Jeff"' Ding, his wife, Ge "Helen" Chui, and their two daughters, Xing "Nancy" 18, and Alice, 12, on April 29, 2011.
William Harbage QC, prosecuting said Du had planned the killings and "carried it out with ruthless efficiency."
Jurors were told that the killings could be timed accurately because a 999 call had been made from Alice's mobile phone at 3.32pm.
Opening the murder case for the prosecution at Northampton Crown Court, William Harbage QC told the court that on the day of the Royal wedding, Anxiang Du "savagely stabbed to death" a family of four.
Mr Harbage said the prosecution case was that Du, on the day of the Royal wedding between Prince William and Kate Middleton, on April 29, 2011, travelled to Northampton from his home in Coventry, via Birmingham.
The prosecutor told the court that Du was "armed with a kitchen knife, and savagely stabbed to death firstly the two people, Mr and Mrs Ding, with whom he had been having a long-running legal dispute".
A Chinese businessman murdered a family of four with "ruthless efficiency" to "avenge himself" after a business relationship went wrong, a court was told.
Anxiang Du, 55, is accused of killing Manchester Metropolitan University lecturer Jifeng 'Jeff' Ding, his wife, Ge 'Helen' Chui, and their two daughters, Xing 'Nancy' 18, and Alice, 12.
Opening the case for the prosecution at Northampton Crown Court, William Harbage QC told the jury of eight women and four men that Du armed himself with a kitchen knife.
He then stabbed the family to death in their own home on April 29 2011, on the day of the royal wedding, the court heard.