(Portland, OR) -- A right-wing rally in Portland is over with no major violence reported. The Patriot Prayer and Proud Boy groups encountered hundreds of counter-protesters Saturday at a park in downtown Portland. Police fired flash bangs and detained multiple people after a group of protesters began hurling rocks and bottles at them. At least three people were hurt, and four people were arrested. After police told the crowd to disperse, the groups moved off with no further reports of violence.