Multiple people were injured Sunday in a firebombing attack at an event in Boulder, Colorado, meant to show support for hostages kidnaped by Hamas in the October 7, 2023, assault on Israel, officials said.

In a press conference, Boulder Police Chief Steven Redfearn said officers arrived on the scene in response to reports of people being set on fire before 2 p.m. local time and found victims with “injuries consistent with burns and other injuries.” They were sent to the hospital, he said.

An adult male suspect was detained and also taken to a hospital with minor injuries, Redfearn said.

Officials are investigating the attack. Redfearn noted that he could not ID the suspect right away.

“This act is unacceptable,” Redfearn said.

Multiple victims were set on fire today in Boulder, CO. Some have life-threatening injuries. The attacker has been arrested, per the police chief.

The attack happened during an event to raise awareness for the 58 hostages. FBI says it’s investigating it as an act of terror. pic.twitter.com/vY0IicMVtQ

— Kassy Akiva (@KassyAkiva) June 1, 2025

Earlier, on X, the Boulder Police Department said it was responding to a “report of an attack” at 13th and Pearl Streets with “reports of several victims.” Police established an evacuation area and advised people to steer clear.

The FBI also responded.

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

Redfearn said he could not immediately confirm a motive, but did acknowledge that a “peaceful demonstration” by a pro-Israel group was going on at the scene in a busy area.

Video posted to social media appeared to show smoke rising out of a park where some people were screaming and lying on the ground.

“We are saddened and heartbroken to learn that an incendiary device was thrown at walkers at the Run for Their Lives walk on Pearl Street as they were raising awareness for the hostages still held in Gaza,” said a statement from Boulder’s Jewish Community.

There were unconfirmed images posted to social media showing a shirtless man, apparently the suspect, holding what appeared to be molotov cocktails. One video showed the man shouting “end Zionists” and other things.

“FBI personnel are on the scene in Boulder, Colorado, along with local law enforcement,” FBI Deputy Director Dan Bongino said on X. “We are investigating this incident as an act of terror, and targeted violence. All of the necessary assets will be dedicated to this investigation. If you have any investigative tips please contact the FBI. And if you aided or abetted this attack, we will find you. You cannot hide.”

Among the others who commented on the attack was Colorado Governor Jared Polis, a Democrat.

“I am closely monitoring the situation in Boulder, and my thoughts go out to the people who have been injured and impacted by this heinous act of terror,” Polis said in a post on X. “Hate-filled acts of any kind are unacceptable. While details emerge, the state works with local and federal law enforcement to support this investigation. More information will be provided as it becomes available.”

Treasury Secretary Scott Bessent challenged CBS journalist Margaret Brennan on Sunday over the potential inflationary impact of President Donald Trump’s tariffs.

In a “Face the Nation” interview, Brennan insisted “the reality is there will either be less inventory or things at higher prices, or both.” Bessent shot back, alluding to a previous conversation they had in March, days before Trump unleashed his “Liberation Day” tariffs upon the world.

“Margaret, when we were here in March, you said there was going to be big inflation. There hasn’t been any inflation,” Bessent said. “Actually, the inflation numbers are the best in four years. So why don’t we stop trying to say this could happen, and wait and see what does happen.”

.@SecScottBessent: “When we were here in March, you said there was going to be big inflation. There hasn’t been any inflation. Actually, the inflation numbers are the best in four years. So why don’t we stop trying to say this COULD happen — wait and see what DOES happen.” 🔥 pic.twitter.com/1LeTZf2UX1

— Rapid Response 47 (@RapidResponse47) June 1, 2025

Earlier, Brennan told Bessent that when he was on the program in March, the two of them were “trying to gauge” how American consumers might be affected by the tariffs. She then asked the Cabinet official where he is anticipating price increases.

“We wanted to make sure that there aren’t price increases, Margaret. And thus far, there have been no price increases. Everything has been alarmist,” Bessent said, adding that the “inflation numbers are actually dropping.”

.@SecScottBessent: “We wanted to make sure that there aren’t price increases, Margaret — and thus far, there have been no price increases. Everything has been alarmist. The inflation numbers are actually dropping. We saw the first drop in inflation in four years.” pic.twitter.com/asuc8YnHYZ

— Rapid Response 47 (@RapidResponse47) June 1, 2025

A couple of weeks ago, the Labor Department released data showing that inflation hit its lowest point — 2.3% — in four years, as Trump pursues trade deals with China and other countries hit by tariffs.

Brennan pressed Bessent on retailers such as Walmart, Best Buy, and Target raising prices. In response, Bessent noted that other companies, including Home Depot and Amazon, have taken a different tack. And he pointed out, “I know what the South China Morning Post wrote within the past 24 hours that 65% — 65%! — of the tariffs will likely be eaten by the Chinese producers.”

“So are there five or eight areas that you have identified, as you said back in March, where American consumers will be able to have lower prices, or should be warned of higher prices?” Brennan asked.

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“Well, a lot of it’s already working its way through the system,” Bressent replied. “So we’ve seen a substantial decrease in gasoline and energy prices. So that’s down 20% year over year. We’ve seen the food prices go down, these notorious egg prices. Through the good work of President Trump and [Agriculture] Secretary [Brooke] Rollins, egg prices have collapsed. So we’re seeing more and more.”

He added: “And what we want to do is even that out across all sections of the economy. So inflation has been very tame. Consumer earnings were up 0.8% last month, which is a gigantic increase for one month. So real earnings minus low inflation is great for the American people, and that’s what we’re seeing.”

Brennen also questioned Bessent about the “One Big, Beautiful Bill” that passed through the GOP-led House and is now under consideration by the Republican-controlled Senate.

“In it is increase or suspension to the debt limit that you need delivered on by mid-July. How close of a brush with default could this be, given how massive some of the Senate changes are expected to be to the other parts of the bill?” Brennan asked.

“Well, first of all, Margaret, I will say the United States of America is never going to default. That is never going to happen. … We are on the warning track and we will never hit the wall,” Bessent said, adding later, “We don’t give out the X date because we use that to move the bill forward.”