Police arrested a 40-year-old Nanakuli woman who allegedly threatened a 42-year-old man Monday night using a dangerous instrument in Nanakuli. 

The woman allegedly threatened the man from 11:20 p.m. Monday to 12:05 a.m. Tuesday. 

Police arrested the woman 12:30 a.m. Tuesday on suspicion of first-degree terroristic threatening,  reckless endangering, second-degree abuse of a household member and 48-hour warning violation. She was also arrested on suspicion of harassment of a law enforcement officer and resisting arrest when an officer detained her.