U.S. lawmakers, members of the Trump administration, and various Jewish organizations were among those who denounced the horrifying incident in Boulder, Colorado, on Sunday, where eight individuals were injured. It was described as a “monstrous attack” and an “act of vile antisemitism.”

Mohamed Sabry Soliman, 45, was arrested at the location after allegedly setting victims on fire during a peaceful demonstration advocating for Israeli hostages still held by Hamas in Gaza. During the attack, Soliman reportedly shouted “Free Palestine” along with other anti-Israel statements.

According to authorities, Soliman, an Egyptian national, legally entered the U.S. in 2022 but has overstayed his visa. Both local and federal law enforcement agencies are continuing their investigation into the incident.

“My thoughts and prayers go out to the people who have been injured by this heinous and targeted act on the Jewish community,” Colorado Democrat Gov. Jared Polis, who is Jewish, said in a statement. “Boulder is strong. We have overcome tragedies together and will get through this together as a community.”

“When antisemitism is allowed to fester, when it spreads unchecked, and when too many look the other way, history has shown us where it leads: to hatred, to violence, to terror,” he continued. “Tonight is Shavuot—a sacred holiday of learning, renewal, and unity. Thousands of Jews around the world will wake up to this horrific news, just as they did after October 7. For many, it’s been over 600 days of unrelenting fear and trauma.”

Schumer added: “Antisemitism, plain and simple, has no place in America. I am praying for the victims’ recovery and am in touch with the FBI as we closely monitor the situation.”

House Speaker Mike Johnson, R-La., said this “violent, antisemitic attack is heartbreaking and deeply disturbing” and that he is praying for the victims and for law enforcement “to deliver swift justice.”

“Terrorist sympathizers have made it clear they will do anything to try and silence the Jewish people and those who support Israel,” Johnson wrote. “We CANNOT and WILL NOT let them win.”

House Minority Leader Hakeem Jeffries, D-N.Y., said the Jewish community in America has once again become the target of a horrific, antisemitic attack.”

“As residents of Boulder gathered on the eve of the holiday of Shavuot to raise awareness for the hostages still being held captive in Gaza, the peacefulness of their assembly was shattered,” he said. “Our heartfelt prayers are with all of our Jewish brothers and sisters impacted by this unconscionable act of terror, and we thank law enforcement for their swift response. Antisemitism has no place in our nation or anywhere throughout the world. It must be crushed. We stand with the Jewish community today and always.”

New York City mayor Eric Adams called the attack an “act of horrific, vile antisemitism and terrorism.”

Police cordon off downtown following an incident involving multiple injuries that the FBI is investigating as an act of terror on June 1, 2025, in Boulder, Colorado. (Photo by Chet Strange/Getty Images)

“Another act of horrific, vile antisemitism and terrorism in our country, as an individual violently attacked a peaceful crowd in Boulder, Colorado, gathered to call for the release of the hostages still held in Gaza since Hamas’ terror attacks on October 7, 2023,” the Democratic mayor said. “While we see no nexus to NYC at this time, the NYPD is increasing resources at religious sites throughout our city ahead of the sacred holiday of Shavuot out of an abundance of caution. We will not rest until we root out this unacceptable violence and rhetoric from our communities.”

Several Trump administration officials condemned the attack and gave updates on the federal investigations.

“We are aware of and fully investigating a targeted terror attack in Boulder, Colorado,” FBI director Kash Patel said. “Our agents and local law enforcement are on the scene already, and we will share updates as more information becomes available.”

“DHS is monitoring the terrorist attack in Boulder, Colorado,” Department of Homeland Security Secretary Kristi Noem said. “We are working with our interagency partners, including the FBI, and will share more information as soon as it becomes available. We are praying for the victims and their families. This violence must stop.”

Stephen Miller, White House deputy chief of staff for policy and Homeland Security advisor, said he is praying “for the victims of the evil and monstrous attack in Boulder, Colorado.”

Various Jewish groups also sounded off after the attack in Colorado on Sunday, with Israeli-American Council CEO Elan Carr saying it was a “horrific attack on peaceful demonstrators who were walking in a march to commemorate and demand the release of hostages.”

Law enforcement officials dressed up in protective gear to investigate an attack on the Pearl Street Mall, Sunday, June 1, in Boulder, Colorado. (AP)

“I’m not suggesting the answer is censorship, but we have to understand that hateful words that demonize Jews prompt people to take violent action and commit murder,” Carr told Fox News Digital. “We’ve seen this over and over and over again, and it happened today, and it happened a few days ago, and if we don’t stop this, it’s going to happen again. This is an absolute outrage that we have people who are being poisoned by vicious ideology.”

The American Jewish Committee said the incident represented “another vile attack against Jews in America.”

“Less than two weeks after the horrific murders in D.C., an attacker in Colorado firebombed a group calling for the release of the 58 Israeli hostages who have been held by terrorists in Gaza for 604 days,” the group said in a statement. “This hatred is a dangerous poison, and we need everyone to stand up with us against it. Enough is enough.”