PORTLAND, OR - JULY 17: Federal officers prepare to disperse the crowd of protestors outside the Multnomah County Justice Center on July 17, 2020 in Portland, Oregon. ((Photo by Mason Trinca/Getty Images)) PORTLAND, Ore. - Militarized federal agents deployed by the president to Portland, Oregon, fired tear gas against protesters again overnight as the city's mayor demanded that the agents be removed and as the state's attorney general vowed to seek a restraining order against them.Federal agents, some wearing camouflage and some wearing dark Homeland Security uniforms, used tear gas at least twice to break up crowds late Friday night, The Oregonian/OregonLive reported.