The authorities in Washington, D.C., mentioned on Sunday that that they had arrested a person in reference to the stabbing of 4 individuals on Saturday night time as supporters and opponents of President Trump clashed blocks from the White Home.

The 4 have been stabbed outdoors a bar at eleventh and F Streets Northwest round 9 p.m. on Saturday, the Metropolitan Police Division mentioned a press release. A Washington resident, Phillip Johnson, 29, was arrested and charged with assault with a harmful weapon, a police spokeswoman mentioned. A police report mentioned he had used a knife.

The confrontation was one among several angry encounters in Washington and in state capitals throughout the nation on Saturday as supporters of Mr. Trump, incensed by a Supreme Court ruling that additional dashed the president’s hopes of overturning the outcomes of the November election, clashed with counterprotesters.

In some locations, these confrontations escalated into violence, together with in Olympia, Wash., the place the police declared a riot and one individual was shot.

The police incident report on the Washington stabbing mentioned officers who have been working the demonstrations responded to studies of a combat outdoors Harry’s Bar on F Avenue Northwest, the place they discovered 4 individuals with stab wounds. The Washington Post reported that the bar was getting used on Saturday as a gathering level for the Proud Boys, a right-wing group identified for inciting violence at protests.

The confrontation occurred after dozens of supporters of Mr. Trump, lots of whom gave the impression to be members of the Proud Boys, gathered on the road outdoors Harry’s Bar. A number of the Trump supporters shouted and pointed at a Black man in darkish garments who was alone and in opposition to a wall, in response to a journalist who witnessed the confrontation as he was protecting the protests for The New York Occasions.

At the very least three of the Trump supporters supplied to let the person go away and implored the others to let him go in peace. After a couple of minute, as the person hesitated, extra demonstrators closed in and started to punch and kick him, in accordance video footage of the confrontation that was shared by The New York Put up.

At that time, the person pulled out a knife and started slashing with it as extra demonstrators piled onto him. The person broke free twice, however was then grabbed and crushed once more. Law enforcement officials intervened after the person was face down on the bottom. A number of protesters yelled that the person had a knife and had stabbed somebody. The person’s face was swollen and bloodied when cops picked him up.

The victims have been acutely aware and respiration after they have been taken to a hospital, a Police Division spokeswoman mentioned on Sunday. Douglas Buchanan, a spokesman for the D.C. Hearth and Emergency Medical Companies Division, mentioned on Sunday that their accidents weren’t life-threatening.

The police recognized the lads who had been stabbed as Franklin Todd Gregory of McMinnville, Tenn.; Corey Owen Nielsen of Robbinsdale, Minn.; Jeremy Bertino of Locust, N.C.; and Gregory Lyons, whose hometown was not launched. The police mentioned that Mr. Gregory recognized Mr. Johnson as the person who had stabbed him.

Mr. Johnson couldn’t be reached on Sunday. It was not instantly clear if he was nonetheless in custody or whether or not he had a lawyer.

Minutes earlier than the stabbings, supporters of Mr. Trump tore down a Black Lives Matter banner and burned it on the road, movies on social media present. The flag was faraway from outdoors the Asbury United Methodist Church, one of many oldest Black church buildings in Washington, which has stood on the nook of eleventh and Okay Streets Northwest since 1836.

The church’s senior pastor, the Rev. Dr. Ianther M. Mills, said in a statement that the scene reminded him of a cross burning.

“We’re a resilient individuals who have trusted in God via slavery and the Underground Railroad, Jim Crow and the Civil Rights motion,” she mentioned, “and now as we face an obvious rise in white supremacy.”

Another video confirmed an indication bearing the Black Lives Matter slogan being torn down from the Metropolitan African Methodist Episcopal Church close to the nook of fifteenth and M Streets Northwest. A Police Division spokeswoman mentioned the authorities have been conscious of the incidents and have been investigating them as doable hate crimes.

“DC’s faith-based organizations are on the very coronary heart of our neighborhood, giving us hope within the face of darkness,” Mayor Muriel Bowser of Washington said in a statement on Fb. “They embody our DC values of affection and inclusivity. An assault on them is an assault on all of us.”

The Police Division spokeswoman mentioned that eight officers have been injured throughout the protests on Sunday. Two of these officers sustained severe however not life-threatening accidents and have been additionally taken to hospitals, mentioned Mr. Buchanan, the Hearth and Emergency Medical Companies spokesman.

A complete of 33 people were arrested in Washington from Saturday afternoon into Sunday morning in reference to the protests, largely for varied kinds of assault, together with assault on cops, in response to a Police Division arrest database.

In movies of a conflict in Olympia, Wash., that have been posted on social media, a single gunshot may be heard as counterprotesters advance on members of a pro-Trump group on Saturday, together with one individual on a sidewalk who’s waving a big Trump flag. After the gunshot, one of many counterprotesters may be seen falling to the bottom as others name for assist. In one other video, a person with a gun may be seen operating from the scene and placing on a pink hat.

Forest Michael Machala, 25, of Shoreline, Wash., was arrested on a first-degree assault cost, Chris Loftis, a spokesman for the Washington State Patrol, mentioned on Sunday.

The gunfire in Olympia got here after supporters of Mr. Trump and counterprotesters gathered close to the State Capitol on Saturday afternoon and clashed earlier than the capturing.

The Olympia police mentioned there have been 4 arrests and that 4 officers had been injured, in response to the CBS affiliate KIRO.

Victor J. Blue, Mike Baker and Nicholas Bogel-Burroughs contributed reporting.