29 May 2014 :

a 28-year-old woman, who allegedly had killed her husband, was hanged by the man's mother in the prison of Amol, reported FARS News Agency.
The prisoner, named only as S. T., killed her husband during a family fight, after being attacked by him with a knife in a street.
City's prosecutor Ali Talebi said the mother-in-law of the prisoner carried out the death sentence.