Excerpt:
A daughter of a man who is on trial for murdering his wife at the Adelaide Convention Centre has told the Supreme Court she saw her father being pulled off her mother with a knife in his hand.
Zialloh Abrahimzadeh allegedly murdered his wife in front of 300 people at a Persian community celebration at the Convention Centre in March 2010 by repeatedly stabbing her in the back.
The couple's eldest daughter, 25-year-old Atena, has testified against her father.