Victim says he was helping woman move property from apartment.

A Fargo man is accused of sexually assaulting a woman, punching a man who was helping her, and threatening to kill both of them with a knife.

WDAY-TV reports ( ) that 28-year-old Dustin Louis Vaughn made his first court appearance Thursday on felony charges of gross sexual imposition and terrorizing. He also is charged with misdemeanor charges of simple assault and criminal mischief for allegedly slashing the woman's tires.

The male victim told police he was helping the woman get property out of her apartment Tuesday when Vaughn arrived and punched him. The man was able to get away.

The woman reported that Vaughn then assaulted her. Vaughn later allegedly approached the woman and the male victim and threatened to kill them.