Around 2 a.m. Saturday morning, Omaha Police responded to a radio call of a cutting near 16th and Yates Streets.
Officials say Damion Scott, 45, claims he was arguing with his roommate, Tina Hill, 42, when Hill cut him on his arm with a box cutter.
Scott refused medical treatment.
Hill was taken into custody and booked at Douglas County Corrections for 2nd Degree Assault and Use of a Weapon to Commit a Felony.