On Saturday January 30th at approximately 11:05pm. Greencastle Police Officer Capt. Charles Inman and Officer David Clodfelter responded to an apartment fire at 601 Anderson Street and assisted with evacuation of the building. The fire was determined to be an act of arson. During the three day investigation that followed, the Greencastle Police Department found a person of interest and apprehended the male. Tim Hubble age 28 of Greencastle was arrested this afternoon and booked in at the Putnam County Jail. Greencastle Detective Michael Collins and Fire Marshal Josh Kreich is behind the investigation.