The Brief An Oregon man is accused of firing toward tree workers and sheriff's drones during an incident in which investigators believe he may have fired more than 200 rounds. SWAT officers arrested Erik Gordon Shunn, 53, after using an armored vehicle to pin the tractor he was driving near his home. No injuries were reported, and Shunn faces allegations including attempted murder, attempted assault and unlawful use of a weapon. A 53-year-old Oregon man may have fired more than 200 rounds during an incident that began with gunfire directed toward tree workers and ended with a sheriff's SWAT team taking him into custody, authorities said. Oregon man fires more than 200 rounds during SWAT standoff Big picture view: Erik Gordon Shunn was arrested Aug. 29 after Clackamas County sheriff's deputies responded to a report of an armed neighbor firing at workers cutting down trees in unincorporated Clackamas County near Oregon City. Witnesses initially estimated that Shunn fired approximately 20 rounds at the tree-company employees. No injuries were reported. 911 callers also told dispatch they believed Shunn possessed several firearms. SWAT officers arrested Erik Gordon Shunn, 53, after using an armored vehicle to pin the tractor he was driving near his home. (Credit: Clackmas County Sheriff's Office) Sheriff's investigators later determined that Shunn may have fired more than 200 rounds during the entire incident, including shots fired at the arborists and additional rounds fired into the air at a sheriff's office drone that was being used to determine his location, according to an update released Wednesday. After deputies arrived, they took positions around Shunn's home and deployed drones while the county's SWAT and crisis negotiation teams responded. First responders also checked on neighbors and tree workers to confirm their safety and evacuate them from the area. What they're saying: Deputies arrived in the area, prepared a hasty team, took positions around the suspect's residence, and launched drones, Lt. Hayden Sanders, a public information officer for Clackamas County Sherif #fox26houston #crimewatchhouston