The Sibley County Sheriff’s Office says a house fire in Henderson on the morning of June 21st is now being investigated as arson. Authorities say they were called to the Shawn and Lindsay Kluver residence on Scenic Byway Road that morning. Four fire departments responded to the blaze. The Sheriff’s office says a reward of up to five thousand dollars for information leading to the identification and conviction of the person or persons responsible for the fire is being offered. The Kluver family is also offering an additional 10-thousand dollar reward. Anyone with information is asked to contact the Sibley County Sheriff’s office at 507-237-4330 or the ARSON Hot-line at 1-800-723-2020.