A violent knife attack against a man and woman in Longview happened Wednesday morning. Witnesses told police it started when two Hispanic men were fighting in the front yard of a house on Level street. One of the men pulled out a knife. Two women then tried to stop the fight. That's when police say the man with the knife stabbed one of the women several times. He then allegedly slashed her boyfriend's throat. The suspect left in a red Mustang before police arrived. Wednesday afternoon, the couple is still in the hospital recovering.