Cam Higby says he was assaulted by Antifa members as he attended the sometimes violent "No Kings Day" protests in Seattle. SPD is investigating.
The man stated that he believed there could be violence during the election, and he might join Antifa to protest.
Portland has long been a focal point for violent left-wing rioters and attracted considerable attention during the George Floyd riots, with many members of Antifa attacking a federal courthouse.
Greene said Antifa was responsible for "domestic terrorism" in her home state of Georgia.
Trump also told reporters that he would be willing to designate the far-left group "Antifa" as a "domestic terrorist organization," even though no official designation currently exists.
The GOP candidate said that by the time officers arrived, the alleged Antifa rioters had already left.
The organizers encouraged participants to wear yellow to represent unity. However, some marchers went as far as wearing inflatable costumes that have become emblematic outside ICE facilities, particularly in Portland, where there has been a crackdown on Antifa violence.