Police say that a sexual encounter between two men and a woman in Fargo ended in a dispute between the men, one of whom cut the other with a knife, Forum Communications reports.

Ashley Hunter, 33, was charged Monday in Cass County District Court with a single count of aggravated assault, Forum reports.

Police say Hunter and a friend were involved in a menage a trois with a woman in Fargo early Friday, when a dispute arose and Hunter took a knife out of a sofa and threatened the other man, Forum reports.

The man and the woman escaped to a bathroom, and a short time later, as the man sought to escape the residence, Hunter cut him on the arm, police said. He fled to an alley and called police, Forum reports.