Police arrested a 70-year-old woman yesterday for allegedly attacking her daughter’s 20-year-old ex-boyfriend. 

At about 10 a.m. Wednesday, the two argued at a Waianae home. 

The victim accused the woman of punching him in his face, causing a bruise under his eye, and threatening him with a hammer. 

Police located the woman yesterday and booked her on suspicion of first-degree terroristic threatening and felony abuse.