Police arrested a 19-year-old Nanakuli woman on Friday who allegedly threatened her ex-boyfriend with his hunting knife.

Police said the woman and the 22-year-old man got involved in an argument at 3 p.m. Friday. The woman then allegedly grabbed the man’s hunting knife and began to cut up the man’s clothes in his room.

She then allegedly pointed the knife at him, "causing him to feel threatened," police said.

The woman then allegedly threw rocks at the ex-boyfriend’s vehicle, damaging it, police said.

Police were called and responding officers arrested the woman on suspicion of first-degree terroristic threatening, third-degree criminal property damage and abuse of family or household member.