By Julia Bertino Feb 17, 2021 (Galesburg, IL) -- A Galesburg man is behind bars, accused of intentionally setting a Sunday morning fire that killed a woman. On Wednesday, the Galesburg Police announced the arrest of 38 year old Donald A. Denniston. Investigators say just before 1:00 Sunday morning, the police and fire departments were called to the 200 block of Pine Street for a house fire. Once crews arrived, they found 50 year old Boyd Black, in front of the residence. Police say Black was injured in the fire and was taken to the burn unit at the hospital. Police say Black told officers 60 year old Katrina Hainline was in the home. Once crews got the fire under control, they found the body of Hainline inside the home.