Watertown Fire Rescue responded to a pickup on fire at 2:00 AM early Sunday Morning on 460th Ave southeast of Watertown. Homeowners were alerted in the night by the smell of smoke, finding the vehicle on fire called 911. WFR's Engine 4 with three personnel arrived on scene to find the pickup fully engulfed in flames. Crews utilized quick action to knock down the fire before it could spread to any of the surrounding structures. After initial investigation, a cause was not able to be determined due to the extent of damage to the vehicle.