The Pettis County Sheriff's Office says an investigation has determined that a fire in the 1300 block of E. Boonville was intentionally set.

Deputies and Pettis County Fire personnel responded to the residential fire at approximately 8 a.m. on May 31. The residence sustained significant damage, but no injuries were reported.

The cause of the fire was determined to be intentional, according to the Pettis County Sheriff's Office. An investigation is underway.