The Bismarck Police Department said they responded to a call from someone who saw a fight on Monday.
When officers arrived, the victim had a wash cloth on the lower left side of his back. The victim said he got upset and threw a fork at the suspect.
Police say the suspect then threw a knife at the victim.
The victim was taken to a local hospital and was later released.
Officers said both were arrested. The suspect was arrested for domestic aggravated assault and the victim was arrested for warrants.