Renville County authorities have released the identity of the worker killed in an industrial-type accident in a gravel pit near Fairfax on Tuesday. 24-year-old Aaron Kaufmann of Hutchinson died at the scene. Authorities say he had become entangled in a piece of machinery and suffered an amputation. The Renville County Sheriff’s Department responded to a call at the site at about noon and discovered that the victim was no longer entangled in the machine, but was not breathing and had no pulse. Resuscitation efforts were unsuccessful. Investigation revealed that he had become entangled in a moving conveyor belt. The accident is being investigated by the Renville County Sheriff’s Office and the Mine Safety and Health Administration.