(Lyons, OR) -- The Linn County Sheriff's Office is investigating a large brawl that happened outside of a bar in Lyons. Early Saturday morning, 911 received a call about a disturbance outside of the Red Barn Tavern. The caller reported 20 people fighting in the parking lot and one person had a knife. Oregon State Police responded with deputies. The man with the knife left before police arrived. A 27-year-old man from Lyons was treated and released from a hospital. No arrests were made. The investigation continues.