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FBI Investigates 'Targeted Terror' Molotov Cocktail Assault on Boulder Solidarity Walk

Authorities arrested an adult male suspect after several participants were burned by Molotov cocktails during a solidarity walk on Pearl Street Mall.

Montmere at Autrey Shores by Koelbel Urban Homes is located a convenient drive from Boulder’s Pearl Street Mall.
Pearl Street Boulder Colorado
Police on the scene in Boulder, Colorado, on Sunday, June 1, 2025.
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Overview

  • Preliminary reports indicate a suspect hurled Molotov cocktails at participants of the Run For Their Lives solidarity walk at the intersection of 13th and Pearl streets around 2 p.m.
  • Multiple victims sustained burn injuries—some described as very serious—with two transported to UCHealth University of Colorado HospitalAurora.
  • Boulder Police evacuated the 1200-1400 blocks of Pearl Street and warned the public to avoid the area as first responders secured the scene.
  • An adult male suspect was taken into custody without incident and is receiving treatment for burns at a local hospital.
  • Director Kash Patel confirmed the FBI is treating the assault as a targeted terror attack and is working alongside local authorities on the ongoing investigation.