Watertown Fire Rescue responded to a semi vs car accident in the 900 block of 9th Ave. SE on Monday September 9th at 11:04 am. Upon arrival on scene, crews found a day cab semi pulling doubles had collided with a mid-size car. All occupants were able to self extricate before Watertown Fire Rescue arrived on scene. Two patients were evaluated by Watertown Fire Rescue personal and neither patient was transported. Watertown Fire Rescue crews cleaned up a fluid spill from both vehicles. Crews remained on scene for about one and a half hours. Watertown Fire Rescue was assisted on the scene by Watertown Police Department, Active Towing, Performance Towing and Codington County Emergency Management.