PARKERS PRAIRIE — One person is currently unaccounted for as multiple law enforcement agencies and EMS responded to a house explosion northwest of Parkers Prairie on Aug. 11. The Otter Tail County Sheriff's Office dispatch received a call at around 9:30 a.m. reporting the explosion. The house was fully engulfed upon arrival. ADVERTISEMENTThe incident remains an active scene and an investigation is ongoing. The sheriff's office also asks that people refrain from traveling to the location.