Content Warning: This video may be difficult for some people to watch. A suspect is in custody after six people were injured in an attack on the Pearl Street Mall Sunday afternoon, Boulder police chief Stephen Redfearn said. This video, taken moments after the attack, shows the suspect shouting "free Palestine" and being arrested by Boulder Police officers. The attack happened around 1:30 p.m. in the area of the historic courthouse at 1235 Pearl Street. FBI Denver Special Agent in Charge Mark Michalek said six victims ages 67 to 88 were taken to hospitals. At least one had serious injuries. Read the full story: https://www.9news.com/article/news/crime/boulder-attack-pearl-street/73-6ae044dd-9f89-4f9a-9141-4cabf8b871c8 More local videos here: https://bit.ly/2Pa0d1l Subscribe to NEXT: http://bit.ly/2eP1GwI Stay connected: 9NEWS Website: http://www.9news.com/ Facebook: https://www.facebook.com/ilike9news X: https://x.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.