OTTER TAIL COUNTY, MINN.. – Emergency crews responded to a fully involved structure fire on 600th Avenue, south of State Highway 210, early Saturday morning. According to the Otter Tail County Sheriff’s Office, the incident was reported at approximately 2:34 a.m. First responders arrived on scene around 2:36 a.m. to find a structure measuring roughly 45 by 100 feet completely engulfed in flames. The building contained multiple hay bales at the time of the blaze. Authorities reported that no other structures were damaged in the incident, and no injuries were sustained. The cause of the fire remains unknown, though officials noted that no foul play is expected.