(IDAHO FALLS) – An Idaho Falls woman was arrested Monday after she allegedly pulled a knife on another woman during an argument. 30-year-old Sarah Kathryn Westbrook was arguing with another woman about the theft of perfume. Westbrook then challenged the woman to a fight and ran at her with a knife. After fleeing the scene, Westbrook was arrested at the Common Cents store on East 17th. Westbrook is being held in the Bonneville County Jail on a $30,000 bond.