Following what Capitol police characterized as an illegal and violent protest at the Democratic National Committee headquarters Wednesday night, at least one demonstrator was arrested while six officers were left injured.

Several Democratic lawmakers were inside the building when the protesters arrived, barricading themselves in front of the doors to prevent anyone from entering or exiting the building.

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One lawmaker said the protest "scared me more than January 6," according to Axios. "Police were wearing gas masks ... this was not peaceful."

Capitol police revealed that injuries to officers ranged "from minor cuts to being pepper sprayed to being punched." The protester who faced arrest did so due to assaulting an officer, USCP said.

According to USCP, there were roughly 150 people demonstrating outside the DNC, blocking congress members from exiting.

It is unknown exactly how many Democratic lawmakers were present when police intervened. It was reported that House Minority Leader Hakeem Jeffries (D-NY) was among the numerous Democrats in attendance when chanting could be heard from outside. However, Rep. Brad Sherman (D-CA) told CNN Wednesday evening that Democratic leadership had already left by the time the lawmakers were blockaded in the building.

According to Sherman, police evacuated the remaining lawmakers, which there were approximately seven of, from the headquarters while demonstrators were pepper spraying them and attempting to break in.

Rep. Sean Casten (D-IL) was also present, writing on X, the platform formerly known as Twitter, that the protest blocking all entrances put all involved parties at risk, calling it "irresponsible and dangerous," while noting that the USCP officers had lived through the Jan. 6 Capitol riot.

House office buildings were also evacuated during the clash, but are now reopened.

"I’m with my baby at my office and the Capitol offices just went into lockdown because of these clowns. Imagine being that unhinged. Nut jobs," Rep. Anna Paulina Luna (R-FL) wrote on X Wednesday.

In a press release Thursday, Jewish Voices for Peace, which supports a ceasefire between terror group Hamas and Israel, claimed "police violently attacked nonviolent anti-war activists" who were holding a vigil outside of a Democratic Congressional Campaign Committee event, pushing back on the accounts of USCP and Democratic lawmakers.

JVP said the demonstration Wednesday was sponsored by If Not Now, the Democratic Socialists of America, and Jewish Voice for Peace Action.

One JVP member Jeff Ordower alleged police gave no warning and then rushed demonstrators. “We've been doing actions in DC for decades, and have never had police refuse to talk to a police liaison," he said.

“The Democratic Party just showed exactly how it feels about its voters,” claimed DSA-NYC member Sumaya Awad in the release.

JVP Action Political Director Beth Miller said “hundreds of peaceful anti-war activists came to the DNC to call for an end to bombs and violence in order to save Palestinian and Israeli lives. They were met with brutal assaults by the police." She added the DNC needs to make a decision on standing on the side of peace or genocide.

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"Police lied about the protest being violent, even as they roughed up protestors, sprayed tear gas on the crowd, and literally trampled vigil candles beneath their feet," claimed DSA's Renée Paradis.

The DNC did not provide comment to the Washington Examiner.