A Unity man was arrested after allegedly threatening another person with a gun at Unity Raceway. Joshua Littlefield, 30, was charged with criminal threatening with a dangerous weapon, according to police. Details surrounding the incident, including the nature of the threat and the identity of the victim, were not immediately released. Littlefield is currently being held at the Waldo County Jail. Further details regarding the incident are expected to be made public as the investigation progresses.