The information comes one day after the Trump administration declared that it had reached a deal with Brown to draw national officers from downtown Portland. Even the Department of Homeland Security has stated it will stay a presence there till it considers national places there are secure.The existence of federal agents, that came earlier this month, escalated tensions in town, which has witnessed protracted and occasionally violent protests for the last two months over requirements for racial justice and police responsibility.”I believe we have had sufficient political grandstanding out of DC,” Brown, a Democrat, tweeted Thursday morning. “The President’s strategy to ‘dominate’ the streets of American cities has neglected. And now, national troops are getting ready to depart downtown Portland. We’ll protect free speech and the right to protest peacefully.”Talking during a late afternoon briefing on Thursday, President Donald Trump said local governments at Portland are “working now and probably tomorrow to wash this out beehive of terrorists,” speaking to protesters. “And if they can do it, I will be quite happy, then gradually we could begin to leave town. When they don’t do it, we are going to be sending in the National Guard.”Federal agents used tear gas ‘widely, indiscriminately’Trump and behaving Homeland Security Secretary Chad Wolf have stated the national officers have been in Portland to safeguard a national courthouse downtown.Live video packs out of last week revealed federal agents distributing tear gas and flash bangs from behind a thick metallic fence setup as a barricade between the justice centre and protesters. Ahead of the tear gas was published, a CNN team found a massive crowd of peaceful protesters chanting “Black resides issue” and waving the flashlights onto their own mobile phones in the atmosphere whilst listening to speeches.Portland Mayor Ted Wheeler told reporters on Thursday that federal agents have used CS gas, commonly referred to as tear gas, “widely, indiscriminately, and nightly and that’s the reason why it’s escalating the behaviour we’re seeing on the roads.” He also apologized to its cases where Portland police used tear gas — that he said occurred “just twice in the month of July” — on non-violent protesters. “I apologize to all those non-violent protesters that were exposed to CS gas or LRAD (Long Range Acoustic Devices),” he explained. “It shouldn’t ever occurred. I accept personal responsibility for this and I am sorry.”The mayor himself was tear gassed in downtown Portland last Thursday, based on movie and articles on Twitter by a New York Times journalist. The movie reveals Wheeler, wearing goggles and a face mask amid a bunch of individuals, maintain his nose and shut his eyes distress for a cloud of tear gas drifts by him.CNN reported that it was unknown that he had been responsible for deploying the tear gas and there’s nothing to signify that the mayor has been targeted.Portland officers to remainEarlier on Thursday — before Trump’s day briefing — Wheeler stated Brown gave her personal assurance that “the national officers are in reality leaving.””I remain cautiously optimistic that federal tactical teams deployed by the president to occupy this community are poised to leave,” Wheeler said. “We are all in agreement here that since they arrived, things have only gotten much worse.” Federal agents “must leave” Portland in order for de-escalation to begin, the mayor saidWheeler said local officers will remain in place, and added that he wants protesters to know he and other leaders have heard their grievances, and he is committed to making progress.”We are in the middle of one of the greatest transformational moments in our lifetime,” he said. “We get to write the future and this city will proudly be at the center of that transformation.”The current system for accountability and review is “not acceptable,” Wheeler said. He said he expects the changes within the Portland Police Bureau to be “more than aspirational.”The use of these crowd control devices led Wheeler, for the first time in his tenure as mayor, to make strategic directives, he explained, prohibiting the use of LRADs also tear gas except in life-saving circumstances. Brown, too, expressed optimism about changes in the town.”The massive and non-violent protests directed by Black Lives Matter activists have inspired the nation,” she tweeted Thursday morning. “Let’s get to work and create this vision a reality.”CNN’s Josh Devon, Devan Cole, Alta Spells and Josh Campbell contributed to this report.