Following a spat with her husband, a women killed her daughter and tried committing suicide in Bihar's Katihar district, the police said on Saturday.

"The woman, identified as Jakhira Khatoon, suspected that her husband, Mohammad Saiful, was having an extra-marital affair and they had a fight over this on Friday. Khatoon locked herself and their 8-year-old daughter inside the room after the argument and slit the throat of her daughter in a fit of rage. She also consumed a disinfectant and cut her wrist," said Muffasil police sation SHO Ranjeet Kumar.