A 32-year-old Hawaii Kai man who allegedly threatened his 46-year-old girlfriend with a knife and restrained her from leaving their home was arrested Tuesday.

The incident occurred between 10 p.m. Thursday and 10 p.m. Friday, police said.

Police arrested the boyfriend at 11:30 a.m. Tuesday.

He is being investigated on suspicion of kidnapping, abuse of a household member and first-degree terroristic threatening.