Early Friday morning police were sent to investigate complaints of an assault with a knife. It happened in the 100 block of 3rd Avenue Northeast in St. Cloud. Upon arrival officers found that a forty-nine-year-old St. Cloud man had been stabbed in the face by his roommate. Twenty-eight-year-old Isaac Richard Arnold of St. Cloud was arrested and taken to Benton County Jail for second degree assault with a deadly weapon. The victim received non life-threatening injuries and refused any medical treatment.