On January 2, 2016, armed militants seized the headquarters of the Malheur National Wildlife Refuge in Harney County, Oregon, United States, and continued to occupy it until law enforcement made a final arrest on February 11, 2016.[26] Their leader was Ammon Bundy, who participated in the 2014 Bundy standoff at his father's Nevada ranch. Other members of the group were loosely affiliated with non-governmental militias and the sovereign citizen movement.