The incident happened at a farm house about 18 miles west of Valley City.
A Spiritwood man and his father remain hospitalized after they were burned in a furnace explosion and fire earlier this week.
NewsDakota reports that Paul Komrosky and his father, Eugene, remain hospitalized in critical condition following the Tuesday explosion and subsequent fire. The incident happened at a farm house about 18 miles west of Valley City.
The two men were found outside the house with severe burns to their faces, hands and legs.